Номер 1, страница 4 - гдз по алгебре 10 класс учебник Абылкасымова, Жумагулова

Алгебра, 10 класс Учебник, авторы: Абылкасымова Алма Есимбековна, Жумагулова Зауре Абдыкеновна, издательство Мектеп, Алматы, 2019

Авторы: Абылкасымова А. Е., Жумагулова З. А.

Тип: Учебник

Издательство: Мектеп

Год издания: 2019 - 2026

ISBN: 978-601-07-1142-6

Утверждено Министерством образования и науки Республики Казахстан

Упражнения для повторения курса алгебры 7—9 классов - номер 1, страница 4.

App\Models\Task {#1030 // resources/views/models/task/default.blade.php
  #connection: "mysql"
  #table: "tasks"
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
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  #perPage: 15
  +exists: true
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  #escapeWhenCastingToString: false
  #attributes: array:24 [
    "id" => 1113591
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "4"
    "field_page_end" => null
    "field_url" => "/10-klass/algebra/abylkasymova-uchebnik/00-1"
    "field_display_title" => "1"
    "field_outside_task" => null
    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1037
      #items: array:1 [
        0 => App\Models\Term {#1036
          #connection: "mysql"
          #table: "terms"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
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          +preventsLazyLoading: false
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          #attributes: array:6 [
            "id" => 26
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "name" => "номер"
            "field_cases" => array:6 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
              "field_dative_case" => "номеру"
              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
            "field_short_name" => ""
          ]
          #original: array:6 [
            "id" => 26
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "name" => "номер"
            "field_cases" => array:6 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
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              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
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          ]
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "field_metatags_title" => null
    "field_metatags_description" => null
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    "field_description_bottom" => null
    "field_match" => null
    "breadcrumbs" => []
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1035
      #items: []
      #escapeWhenCastingToString: false
    }
    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1046
      #items: array:1 [
        0 => App\Models\Branch {#1045
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #attributes: array:24 [
            "id" => 1113551
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Упражнения для повторения курса алгебры 7—9 классов"
            "field_branch_order" => null
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            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1047
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              #escapeWhenCastingToString: false
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            "field_page_start" => "4"
            "field_branch_display" => "0"
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            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1077
              #items: array:1 [
                0 => App\Models\Book {#1048
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:50 [
                    "id" => 4293
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_tree_default_status" => "tasks"
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                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1050
                      #items: array:1 [
                        0 => App\Models\Term {#1049
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
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                          #attributes: array:10 [
                            "id" => 6471
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "field_foreign_lang_name" => null
                            "field_short_name" => null
                            "field_subject_type" => "technical_subject"
                            "field_translit" => "algebra"
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                          #original: array:10 [
                            "id" => 6471
                            "created_at" => "2026-04-10 13:58:26"
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                            "field_cases" => array:6 [
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                              "field_nominative_case" => "алгебра"
                              "field_prepositional_case" => "алгебре"
                            ]
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                            "field_subject_type" => "technical_subject"
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1051
                      #items: array:1 [
                        0 => App\Models\Term {#1052
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
                            "field_cases" => array:6 [
                              "field_accusative_case" => "десятый"
                              "field_creative_case" => "десятым"
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                              "field_genitive_case" => "десятого"
                              "field_nominative_case" => "десятый"
                              "field_prepositional_case" => "десятом"
                            ]
                            "field_translit" => "desjatyj"
                          ]
                          #original: array:6 [
                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
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                              "field_accusative_case" => "десятый"
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                              "field_genitive_case" => "десятого"
                              "field_nominative_case" => "десятый"
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                          ]
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                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1053
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                        0 => App\Models\Term {#1054
                          #connection: "mysql"
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Мектеп"
                            "field_cases" => array:6 [
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                            ]
                            "field_translit" => "mektep"
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                          #original: array:6 [
                            "id" => 6996
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Мектеп"
                            "field_cases" => array:6 [
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                            "field_translit" => "mektep"
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                          #changes: []
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                          #dateFormat: null
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                      #escapeWhenCastingToString: false
                    }
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1055
                      #items: array:2 [
                        0 => App\Models\Term {#1056
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:12 [
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "field_bio" => null
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                            "field_name" => "Алма"
                            "field_patronymic" => "Есимбековна"
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                        1 => App\Models\Term {#1057
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
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                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "field_bio" => null
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                            "field_foreign_lang_patronymic" => null
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                            "field_name" => "Зауре"
                            "field_patronymic" => "Абдыкеновна"
                            "field_surname_rp" => null
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                            "id" => 6999
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                        0 => App\Models\Term {#1060
                          #connection: "mysql"
                          #table: "terms"
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                          #attributes: array:10 [
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                      #items: array:1 [
                        0 => App\Models\Term {#1064
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                            "created_at" => "2026-04-10 13:58:26"
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            "text" => "<p><strong>а)</strong> $\frac{3-2b}{a+b} \cdot \frac{9b+9a}{4b^2-9} - \frac{6b}{2b+3}$</p><p>Сначала упростим первое слагаемое. Разложим числитель второй дроби и знаменатель на множители: $9b+9a=9(a+b)$ и $4b^2-9=(2b-3)(2b+3)$. Также заметим, что $3-2b=-(2b-3)$.</p><p>$\frac{-(2b-3)}{a+b} \cdot \frac{9(a+b)}{(2b-3)(2b+3)} - \frac{6b}{2b+3}$</p><p>Сократим общие множители $(a+b)$ и $(2b-3)$:</p><p>$\frac{-1}{1} \cdot \frac{9}{2b+3} - \frac{6b}{2b+3} = -\frac{9}{2b+3} - \frac{6b}{2b+3}$</p><p>Теперь вычтем дроби с одинаковым знаменателем:</p><p>$\frac{-9-6b}{2b+3} = \frac{-3(3+2b)}{2b+3} = -3$</p><p><strong>Ответ:</strong> $-3$</p><p><strong>б)</strong> $\frac{16a^2 - 25c^2}{ac+c^2} : \frac{5c-4a}{3c} + \frac{13a+14c}{a+c}$</p><p>Выполним сначала деление. Для этого разложим на множители числитель и знаменатель первой дроби: $16a^2-25c^2=(4a-5c)(4a+5c)$ и $ac+c^2=c(a+c)$. Заметим, что $5c-4a=-(4a-5c)$. Деление заменяем на умножение на обратную дробь:</p><p>$\frac{(4a-5c)(4a+5c)}{c(a+c)} \cdot \frac{3c}{-(4a-5c)} + \frac{13a+14c}{a+c}$</p><p>Сократим общие множители $c$ и $(4a-5c)$:</p><p>$\frac{4a+5c}{a+c} \cdot \frac{3}{-1} + \frac{13a+14c}{a+c} = \frac{-3(4a+5c)}{a+c} + \frac{13a+14c}{a+c} = \frac{-12a-15c}{a+c} + \frac{13a+14c}{a+c}$</p><p>Сложим дроби с одинаковым знаменателем:</p><p>$\frac{-12a-15c+13a+14c}{a+c} = \frac{a-c}{a+c}$</p><p><strong>Ответ:</strong> $\frac{a-c}{a+c}$</p><p><strong>в)</strong> $(\frac{b+2}{b^2-3b+9} - \frac{6}{b^3+27}) : \frac{3b+15}{2b^2-6b+18}$</p><p>Упростим выражение в скобках. Используем формулу суммы кубов: $b^3+27=b^3+3^3=(b+3)(b^2-3b+9)$. Приведем дроби к общему знаменателю:</p><p>$\frac{(b+2)(b+3)}{(b+3)(b^2-3b+9)} - \frac{6}{(b+3)(b^2-3b+9)} = \frac{b^2+3b+2b+6-6}{(b+3)(b^2-3b+9)} = \frac{b^2+5b}{b^3+27} = \frac{b(b+5)}{b^3+27}$</p><p>Теперь выполним деление. Разложим на множители делитель: $3b+15=3(b+5)$ и $2b^2-6b+18=2(b^2-3b+9)$.</p><p>$\frac{b(b+5)}{b^3+27} : \frac{3(b+5)}{2(b^2-3b+9)} = \frac{b(b+5)}{(b+3)(b^2-3b+9)} \cdot \frac{2(b^2-3b+9)}{3(b+5)}$</p><p>Сократим общие множители $(b+5)$ и $(b^2-3b+9)$:</p><p>$\frac{b}{b+3} \cdot \frac{2}{3} = \frac{2b}{3(b+3)}$</p><p><strong>Ответ:</strong> $\frac{2b}{3(b+3)}$</p><p><strong>г)</strong> $(\frac{a-1}{a^2+2a+4} - \frac{2}{a^3-8}) : \frac{3-a}{a^2+2a+4}$</p><p>Упростим выражение в скобках, используя формулу разности кубов: $a^3-8=a^3-2^3=(a-2)(a^2+2a+4)$.</p><p>$\frac{(a-1)(a-2)}{(a-2)(a^2+2a+4)} - \frac{2}{(a-2)(a^2+2a+4)} = \frac{a^2-2a-a+2-2}{(a-2)(a^2+2a+4)} = \frac{a^2-3a}{a^3-8} = \frac{a(a-3)}{a^3-8}$</p><p>Теперь выполним деление. Заметим, что $3-a=-(a-3)$.</p><p>$\frac{a(a-3)}{a^3-8} : \frac{-(a-3)}{a^2+2a+4} = \frac{a(a-3)}{(a-2)(a^2+2a+4)} \cdot \frac{a^2+2a+4}{-(a-3)}$</p><p>Сократим общие множители $(a-3)$ и $(a^2+2a+4)$:</p><p>$\frac{a}{a-2} \cdot \frac{1}{-1} = -\frac{a}{a-2}$</p><p><strong>Ответ:</strong> $-\frac{a}{a-2}$</p><p><strong>д)</strong> $\frac{2a+1}{a-7} + (\frac{a}{a+8} + \frac{a}{7-a}) : \frac{a}{8+a}$</p><p>Сначала выполним действия в скобках: $7-a=-(a-7)$.</p><p>$\frac{a}{a+8} + \frac{a}{-(a-7)} = \frac{a}{a+8} - \frac{a}{a-7} = \frac{a(a-7)-a(a+8)}{(a+8)(a-7)} = \frac{a^2-7a-a^2-8a}{(a+8)(a-7)} = \frac{-15a}{(a+8)(a-7)}$</p><p>Теперь выполним деление:</p><p>$\frac{-15a}{(a+8)(a-7)} : \frac{a}{a+8} = \frac{-15a}{(a+8)(a-7)} \cdot \frac{a+8}{a}$</p><p>Сократим общие множители $a$ и $(a+8)$: $\frac{-15}{a-7}$.</p><p>Теперь выполним сложение:</p><p>$\frac{2a+1}{a-7} + \frac{-15}{a-7} = \frac{2a+1-15}{a-7} = \frac{2a-14}{a-7} = \frac{2(a-7)}{a-7} = 2$</p><p><strong>Ответ:</strong> $2$</p><p><strong>е)</strong> $(\frac{b}{2b-3} - \frac{b}{3+2b}) : \frac{b}{9+12b+4b^2} + \frac{45-6b}{3-2b}$</p><p>Упростим выражение в скобках:</p><p>$\frac{b}{2b-3} - \frac{b}{2b+3} = \frac{b(2b+3)-b(2b-3)}{(2b-3)(2b+3)} = \frac{2b^2+3b-2b^2+3b}{4b^2-9} = \frac{6b}{4b^2-9}$</p><p>Теперь деление. Знаменатель делителя $9+12b+4b^2 = (3+2b)^2$.</p><p>$\frac{6b}{4b^2-9} : \frac{b}{(2b+3)^2} = \frac{6b}{(2b-3)(2b+3)} \cdot \frac{(2b+3)^2}{b}$</p><p>Сокращаем $b$ и $(2b+3)$: $\frac{6(2b+3)}{2b-3} = \frac{12b+18}{2b-3}$.</p><p>Теперь сложение. Заметим, что $3-2b=-(2b-3)$.</p><p>$\frac{12b+18}{2b-3} + \frac{45-6b}{-(2b-3)} = \frac{12b+18}{2b-3} - \frac{45-6b}{2b-3} = \frac{12b+18-(45-6b)}{2b-3} = \frac{12b+18-45+6b}{2b-3} = \frac{18b-27}{2b-3} = \frac{9(2b-3)}{2b-3} = 9$</p><p><strong>Ответ:</strong> $9$</p><p><strong>ж)</strong> $25\sqrt{b} - 0,5\sqrt{4b} + 100\sqrt{0,16b}$</p><p>Упростим каждое слагаемое, вынося множители из-под знака корня:</p><p>$25\sqrt{b} - 0,5\sqrt{4}\sqrt{b} + 100\sqrt{0,16}\sqrt{b} = 25\sqrt{b} - 0,5 \cdot 2\sqrt{b} + 100 \cdot 0,4\sqrt{b}$</p><p>$25\sqrt{b} - 1\sqrt{b} + 40\sqrt{b}$</p><p>Сложим коэффициенты при $\sqrt{b}$:</p><p>$(25 - 1 + 40)\sqrt{b} = 64\sqrt{b}$</p><p><strong>Ответ:</strong> $64\sqrt{b}$</p><p><strong>з)</strong> $\sqrt{98a} + 3\sqrt{242a} - 17\sqrt{512a}$</p><p>Упростим каждый корень, вынося из-под знака корня множители, являющиеся полными квадратами:</p><p>$\sqrt{49 \cdot 2a} + 3\sqrt{121 \cdot 2a} - 17\sqrt{256 \cdot 2a}$</p><p>$= \sqrt{49}\sqrt{2a} + 3\sqrt{121}\sqrt{2a} - 17\sqrt{256}\sqrt{2a}$</p><p>$= 7\sqrt{2a} + 3 \cdot 11\sqrt{2a} - 17 \cdot 16\sqrt{2a}$</p><p>$= 7\sqrt{2a} + 33\sqrt{2a} - 272\sqrt{2a}$</p><p>Приведем подобные слагаемые:</p><p>$(7 + 33 - 272)\sqrt{2a} = (40 - 272)\sqrt{2a} = -232\sqrt{2a}$</p><p><strong>Ответ:</strong> $-232\sqrt{2a}$</p>"
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            "text" => "<p><strong>а)</strong> $\frac{3-2b}{a+b} \cdot \frac{9b+9a}{4b^2-9} - \frac{6b}{2b+3}$</p><p>Сначала упростим первое слагаемое. Разложим числитель второй дроби и знаменатель на множители: $9b+9a=9(a+b)$ и $4b^2-9=(2b-3)(2b+3)$. Также заметим, что $3-2b=-(2b-3)$.</p><p>$\frac{-(2b-3)}{a+b} \cdot \frac{9(a+b)}{(2b-3)(2b+3)} - \frac{6b}{2b+3}$</p><p>Сократим общие множители $(a+b)$ и $(2b-3)$:</p><p>$\frac{-1}{1} \cdot \frac{9}{2b+3} - \frac{6b}{2b+3} = -\frac{9}{2b+3} - \frac{6b}{2b+3}$</p><p>Теперь вычтем дроби с одинаковым знаменателем:</p><p>$\frac{-9-6b}{2b+3} = \frac{-3(3+2b)}{2b+3} = -3$</p><p><strong>Ответ:</strong> $-3$</p><p><strong>б)</strong> $\frac{16a^2 - 25c^2}{ac+c^2} : \frac{5c-4a}{3c} + \frac{13a+14c}{a+c}$</p><p>Выполним сначала деление. Для этого разложим на множители числитель и знаменатель первой дроби: $16a^2-25c^2=(4a-5c)(4a+5c)$ и $ac+c^2=c(a+c)$. Заметим, что $5c-4a=-(4a-5c)$. Деление заменяем на умножение на обратную дробь:</p><p>$\frac{(4a-5c)(4a+5c)}{c(a+c)} \cdot \frac{3c}{-(4a-5c)} + \frac{13a+14c}{a+c}$</p><p>Сократим общие множители $c$ и $(4a-5c)$:</p><p>$\frac{4a+5c}{a+c} \cdot \frac{3}{-1} + \frac{13a+14c}{a+c} = \frac{-3(4a+5c)}{a+c} + \frac{13a+14c}{a+c} = \frac{-12a-15c}{a+c} + \frac{13a+14c}{a+c}$</p><p>Сложим дроби с одинаковым знаменателем:</p><p>$\frac{-12a-15c+13a+14c}{a+c} = \frac{a-c}{a+c}$</p><p><strong>Ответ:</strong> $\frac{a-c}{a+c}$</p><p><strong>в)</strong> $(\frac{b+2}{b^2-3b+9} - \frac{6}{b^3+27}) : \frac{3b+15}{2b^2-6b+18}$</p><p>Упростим выражение в скобках. Используем формулу суммы кубов: $b^3+27=b^3+3^3=(b+3)(b^2-3b+9)$. Приведем дроби к общему знаменателю:</p><p>$\frac{(b+2)(b+3)}{(b+3)(b^2-3b+9)} - \frac{6}{(b+3)(b^2-3b+9)} = \frac{b^2+3b+2b+6-6}{(b+3)(b^2-3b+9)} = \frac{b^2+5b}{b^3+27} = \frac{b(b+5)}{b^3+27}$</p><p>Теперь выполним деление. Разложим на множители делитель: $3b+15=3(b+5)$ и $2b^2-6b+18=2(b^2-3b+9)$.</p><p>$\frac{b(b+5)}{b^3+27} : \frac{3(b+5)}{2(b^2-3b+9)} = \frac{b(b+5)}{(b+3)(b^2-3b+9)} \cdot \frac{2(b^2-3b+9)}{3(b+5)}$</p><p>Сократим общие множители $(b+5)$ и $(b^2-3b+9)$:</p><p>$\frac{b}{b+3} \cdot \frac{2}{3} = \frac{2b}{3(b+3)}$</p><p><strong>Ответ:</strong> $\frac{2b}{3(b+3)}$</p><p><strong>г)</strong> $(\frac{a-1}{a^2+2a+4} - \frac{2}{a^3-8}) : \frac{3-a}{a^2+2a+4}$</p><p>Упростим выражение в скобках, используя формулу разности кубов: $a^3-8=a^3-2^3=(a-2)(a^2+2a+4)$.</p><p>$\frac{(a-1)(a-2)}{(a-2)(a^2+2a+4)} - \frac{2}{(a-2)(a^2+2a+4)} = \frac{a^2-2a-a+2-2}{(a-2)(a^2+2a+4)} = \frac{a^2-3a}{a^3-8} = \frac{a(a-3)}{a^3-8}$</p><p>Теперь выполним деление. Заметим, что $3-a=-(a-3)$.</p><p>$\frac{a(a-3)}{a^3-8} : \frac{-(a-3)}{a^2+2a+4} = \frac{a(a-3)}{(a-2)(a^2+2a+4)} \cdot \frac{a^2+2a+4}{-(a-3)}$</p><p>Сократим общие множители $(a-3)$ и $(a^2+2a+4)$:</p><p>$\frac{a}{a-2} \cdot \frac{1}{-1} = -\frac{a}{a-2}$</p><p><strong>Ответ:</strong> $-\frac{a}{a-2}$</p><p><strong>д)</strong> $\frac{2a+1}{a-7} + (\frac{a}{a+8} + \frac{a}{7-a}) : \frac{a}{8+a}$</p><p>Сначала выполним действия в скобках: $7-a=-(a-7)$.</p><p>$\frac{a}{a+8} + \frac{a}{-(a-7)} = \frac{a}{a+8} - \frac{a}{a-7} = \frac{a(a-7)-a(a+8)}{(a+8)(a-7)} = \frac{a^2-7a-a^2-8a}{(a+8)(a-7)} = \frac{-15a}{(a+8)(a-7)}$</p><p>Теперь выполним деление:</p><p>$\frac{-15a}{(a+8)(a-7)} : \frac{a}{a+8} = \frac{-15a}{(a+8)(a-7)} \cdot \frac{a+8}{a}$</p><p>Сократим общие множители $a$ и $(a+8)$: $\frac{-15}{a-7}$.</p><p>Теперь выполним сложение:</p><p>$\frac{2a+1}{a-7} + \frac{-15}{a-7} = \frac{2a+1-15}{a-7} = \frac{2a-14}{a-7} = \frac{2(a-7)}{a-7} = 2$</p><p><strong>Ответ:</strong> $2$</p><p><strong>е)</strong> $(\frac{b}{2b-3} - \frac{b}{3+2b}) : \frac{b}{9+12b+4b^2} + \frac{45-6b}{3-2b}$</p><p>Упростим выражение в скобках:</p><p>$\frac{b}{2b-3} - \frac{b}{2b+3} = \frac{b(2b+3)-b(2b-3)}{(2b-3)(2b+3)} = \frac{2b^2+3b-2b^2+3b}{4b^2-9} = \frac{6b}{4b^2-9}$</p><p>Теперь деление. Знаменатель делителя $9+12b+4b^2 = (3+2b)^2$.</p><p>$\frac{6b}{4b^2-9} : \frac{b}{(2b+3)^2} = \frac{6b}{(2b-3)(2b+3)} \cdot \frac{(2b+3)^2}{b}$</p><p>Сокращаем $b$ и $(2b+3)$: $\frac{6(2b+3)}{2b-3} = \frac{12b+18}{2b-3}$.</p><p>Теперь сложение. Заметим, что $3-2b=-(2b-3)$.</p><p>$\frac{12b+18}{2b-3} + \frac{45-6b}{-(2b-3)} = \frac{12b+18}{2b-3} - \frac{45-6b}{2b-3} = \frac{12b+18-(45-6b)}{2b-3} = \frac{12b+18-45+6b}{2b-3} = \frac{18b-27}{2b-3} = \frac{9(2b-3)}{2b-3} = 9$</p><p><strong>Ответ:</strong> $9$</p><p><strong>ж)</strong> $25\sqrt{b} - 0,5\sqrt{4b} + 100\sqrt{0,16b}$</p><p>Упростим каждое слагаемое, вынося множители из-под знака корня:</p><p>$25\sqrt{b} - 0,5\sqrt{4}\sqrt{b} + 100\sqrt{0,16}\sqrt{b} = 25\sqrt{b} - 0,5 \cdot 2\sqrt{b} + 100 \cdot 0,4\sqrt{b}$</p><p>$25\sqrt{b} - 1\sqrt{b} + 40\sqrt{b}$</p><p>Сложим коэффициенты при $\sqrt{b}$:</p><p>$(25 - 1 + 40)\sqrt{b} = 64\sqrt{b}$</p><p><strong>Ответ:</strong> $64\sqrt{b}$</p><p><strong>з)</strong> $\sqrt{98a} + 3\sqrt{242a} - 17\sqrt{512a}$</p><p>Упростим каждый корень, вынося из-под знака корня множители, являющиеся полными квадратами:</p><p>$\sqrt{49 \cdot 2a} + 3\sqrt{121 \cdot 2a} - 17\sqrt{256 \cdot 2a}$</p><p>$= \sqrt{49}\sqrt{2a} + 3\sqrt{121}\sqrt{2a} - 17\sqrt{256}\sqrt{2a}$</p><p>$= 7\sqrt{2a} + 3 \cdot 11\sqrt{2a} - 17 \cdot 16\sqrt{2a}$</p><p>$= 7\sqrt{2a} + 33\sqrt{2a} - 272\sqrt{2a}$</p><p>Приведем подобные слагаемые:</p><p>$(7 + 33 - 272)\sqrt{2a} = (40 - 272)\sqrt{2a} = -232\sqrt{2a}$</p><p><strong>Ответ:</strong> $-232\sqrt{2a}$</p>"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1208}
                    "page" => array:2 [
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                      "type" => "book_page"
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                  #dateFormat: null
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                  #touches: []
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#1201
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 1113593
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_url" => "/10-klass/algebra/abylkasymova-uchebnik/00-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200
                      #items: array:1 [
                        0 => App\Models\Term {#1036}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1207
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1209
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1205
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1204
                      #items: array:3 [
                        0 => App\Models\Element {#1225
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:7 [ …7]
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                          #visible: []
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#1227
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
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                          #attributes: array:6 [ …6]
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Element {#1229
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
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                          #dateFormat: null
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                          #touches: []
                          +timestamps: true
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                        }
                      ]
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                    }
                    "next" => array:2 [
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                    "previous" => array:2 [
                      "refs" => "1113592"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1222
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                        0 => App\Models\Book {#1048}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1205}
                    "content" => Illuminate\Database\Eloquent\Collection {#1204}
                    "next" => array:2 [
                      "refs" => "1113594"
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                    "previous" => array:2 [
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1222}
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                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#1206
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_url" => "/10-klass/algebra/abylkasymova-uchebnik/00-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1203
                      #items: array:1 [
                        0 => App\Models\Term {#1036}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1223
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1219
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1218
                      #items: array:3 [
                        0 => App\Models\Element {#1239
                          #connection: "mysql"
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                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
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                          #hidden: []
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#1241
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
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                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Element {#1243
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #with: []
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                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
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                          #dateFormat: null
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                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    "previous" => array:2 [
                      "refs" => "1113593"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#1236
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                        0 => App\Models\Book {#1048}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1098341"
                      "type" => "book_page"
                    ]
                  ]
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                    "id" => 1113594
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                    "updated_at" => null
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                    "field_url" => "/10-klass/algebra/abylkasymova-uchebnik/00-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1203}
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1221}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1223}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1219}
                    "content" => Illuminate\Database\Eloquent\Collection {#1218}
                    "next" => array:2 [
                      "refs" => "1113595"
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                    ]
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1236}
                    "page" => array:2 [
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                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#1220
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_url" => "/10-klass/algebra/abylkasymova-uchebnik/00-5"
                    "field_display_title" => "5"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1217
                      #items: array:1 [
                        0 => App\Models\Term {#1036}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1235
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1237
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1233
                      #items: array:1 [
                        0 => App\Models\Branch {#1045}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1232
                      #items: array:3 [
                        0 => App\Models\Element {#1253
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:7 [ …7]
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#1255
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #withCount: []
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                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Element {#1257
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
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                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
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                          +timestamps: true
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                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1250
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                        0 => App\Models\Book {#1048}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    ]
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1233}
                    "content" => Illuminate\Database\Eloquent\Collection {#1232}
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№1 (с. 4)
Условие. №1 (с. 4)
скриншот условия
Алгебра, 10 класс Учебник, авторы: Абылкасымова Алма Есимбековна, Жумагулова Зауре Абдыкеновна, издательство Мектеп, Алматы, 2019, страница 4, номер 1, Условие

1. Упростите выражение:

а) $\frac{3-2b}{a+b} : \frac{9b+9a}{4b^2-9} - \frac{6b}{2b+3}$;

б) $\frac{16a^2-25c^2}{ac+c^2} : \frac{5c-4a}{3c} + \frac{13a+14c}{a+c}$;

В) $(\frac{b+2}{b^2-3b+9} - \frac{6}{b^3+27}) : \frac{3b+15}{2b^2-6b+18}$;

Г) $(\frac{a-1}{a^2+2a+4} - \frac{2}{a^3-8}) : \frac{3-a}{a^2+2a+4}$;

Д) $\frac{2a+1}{a-7} + (\frac{a}{a+8} + \frac{a}{7-a}) : \frac{a}{8+a}$;

е) $(\frac{b}{2b-3} - \frac{b}{3+2b}) : \frac{b}{9+12b+4b^2} + \frac{45-6b}{3-2b}$;

ж) $25\sqrt{b} - 0.5\sqrt{4b} + 100\sqrt{0.16b}$;

3) $\sqrt{98a} + 3\sqrt{242a} - 17\sqrt{512a}$.

Решение. №1 (с. 4)
Алгебра, 10 класс Учебник, авторы: Абылкасымова Алма Есимбековна, Жумагулова Зауре Абдыкеновна, издательство Мектеп, Алматы, 2019, страница 4, номер 1, Решение
Алгебра, 10 класс Учебник, авторы: Абылкасымова Алма Есимбековна, Жумагулова Зауре Абдыкеновна, издательство Мектеп, Алматы, 2019, страница 4, номер 1, Решение (продолжение 2)
Решение 2. №1 (с. 4)

а) $\frac{3-2b}{a+b} \cdot \frac{9b+9a}{4b^2-9} - \frac{6b}{2b+3}$

Сначала упростим первое слагаемое. Разложим числитель второй дроби и знаменатель на множители: $9b+9a=9(a+b)$ и $4b^2-9=(2b-3)(2b+3)$. Также заметим, что $3-2b=-(2b-3)$.

$\frac{-(2b-3)}{a+b} \cdot \frac{9(a+b)}{(2b-3)(2b+3)} - \frac{6b}{2b+3}$

Сократим общие множители $(a+b)$ и $(2b-3)$:

$\frac{-1}{1} \cdot \frac{9}{2b+3} - \frac{6b}{2b+3} = -\frac{9}{2b+3} - \frac{6b}{2b+3}$

Теперь вычтем дроби с одинаковым знаменателем:

$\frac{-9-6b}{2b+3} = \frac{-3(3+2b)}{2b+3} = -3$

Ответ: $-3$

б) $\frac{16a^2 - 25c^2}{ac+c^2} : \frac{5c-4a}{3c} + \frac{13a+14c}{a+c}$

Выполним сначала деление. Для этого разложим на множители числитель и знаменатель первой дроби: $16a^2-25c^2=(4a-5c)(4a+5c)$ и $ac+c^2=c(a+c)$. Заметим, что $5c-4a=-(4a-5c)$. Деление заменяем на умножение на обратную дробь:

$\frac{(4a-5c)(4a+5c)}{c(a+c)} \cdot \frac{3c}{-(4a-5c)} + \frac{13a+14c}{a+c}$

Сократим общие множители $c$ и $(4a-5c)$:

$\frac{4a+5c}{a+c} \cdot \frac{3}{-1} + \frac{13a+14c}{a+c} = \frac{-3(4a+5c)}{a+c} + \frac{13a+14c}{a+c} = \frac{-12a-15c}{a+c} + \frac{13a+14c}{a+c}$

Сложим дроби с одинаковым знаменателем:

$\frac{-12a-15c+13a+14c}{a+c} = \frac{a-c}{a+c}$

Ответ: $\frac{a-c}{a+c}$

в) $(\frac{b+2}{b^2-3b+9} - \frac{6}{b^3+27}) : \frac{3b+15}{2b^2-6b+18}$

Упростим выражение в скобках. Используем формулу суммы кубов: $b^3+27=b^3+3^3=(b+3)(b^2-3b+9)$. Приведем дроби к общему знаменателю:

$\frac{(b+2)(b+3)}{(b+3)(b^2-3b+9)} - \frac{6}{(b+3)(b^2-3b+9)} = \frac{b^2+3b+2b+6-6}{(b+3)(b^2-3b+9)} = \frac{b^2+5b}{b^3+27} = \frac{b(b+5)}{b^3+27}$

Теперь выполним деление. Разложим на множители делитель: $3b+15=3(b+5)$ и $2b^2-6b+18=2(b^2-3b+9)$.

$\frac{b(b+5)}{b^3+27} : \frac{3(b+5)}{2(b^2-3b+9)} = \frac{b(b+5)}{(b+3)(b^2-3b+9)} \cdot \frac{2(b^2-3b+9)}{3(b+5)}$

Сократим общие множители $(b+5)$ и $(b^2-3b+9)$:

$\frac{b}{b+3} \cdot \frac{2}{3} = \frac{2b}{3(b+3)}$

Ответ: $\frac{2b}{3(b+3)}$

г) $(\frac{a-1}{a^2+2a+4} - \frac{2}{a^3-8}) : \frac{3-a}{a^2+2a+4}$

Упростим выражение в скобках, используя формулу разности кубов: $a^3-8=a^3-2^3=(a-2)(a^2+2a+4)$.

$\frac{(a-1)(a-2)}{(a-2)(a^2+2a+4)} - \frac{2}{(a-2)(a^2+2a+4)} = \frac{a^2-2a-a+2-2}{(a-2)(a^2+2a+4)} = \frac{a^2-3a}{a^3-8} = \frac{a(a-3)}{a^3-8}$

Теперь выполним деление. Заметим, что $3-a=-(a-3)$.

$\frac{a(a-3)}{a^3-8} : \frac{-(a-3)}{a^2+2a+4} = \frac{a(a-3)}{(a-2)(a^2+2a+4)} \cdot \frac{a^2+2a+4}{-(a-3)}$

Сократим общие множители $(a-3)$ и $(a^2+2a+4)$:

$\frac{a}{a-2} \cdot \frac{1}{-1} = -\frac{a}{a-2}$

Ответ: $-\frac{a}{a-2}$

д) $\frac{2a+1}{a-7} + (\frac{a}{a+8} + \frac{a}{7-a}) : \frac{a}{8+a}$

Сначала выполним действия в скобках: $7-a=-(a-7)$.

$\frac{a}{a+8} + \frac{a}{-(a-7)} = \frac{a}{a+8} - \frac{a}{a-7} = \frac{a(a-7)-a(a+8)}{(a+8)(a-7)} = \frac{a^2-7a-a^2-8a}{(a+8)(a-7)} = \frac{-15a}{(a+8)(a-7)}$

Теперь выполним деление:

$\frac{-15a}{(a+8)(a-7)} : \frac{a}{a+8} = \frac{-15a}{(a+8)(a-7)} \cdot \frac{a+8}{a}$

Сократим общие множители $a$ и $(a+8)$: $\frac{-15}{a-7}$.

Теперь выполним сложение:

$\frac{2a+1}{a-7} + \frac{-15}{a-7} = \frac{2a+1-15}{a-7} = \frac{2a-14}{a-7} = \frac{2(a-7)}{a-7} = 2$

Ответ: $2$

е) $(\frac{b}{2b-3} - \frac{b}{3+2b}) : \frac{b}{9+12b+4b^2} + \frac{45-6b}{3-2b}$

Упростим выражение в скобках:

$\frac{b}{2b-3} - \frac{b}{2b+3} = \frac{b(2b+3)-b(2b-3)}{(2b-3)(2b+3)} = \frac{2b^2+3b-2b^2+3b}{4b^2-9} = \frac{6b}{4b^2-9}$

Теперь деление. Знаменатель делителя $9+12b+4b^2 = (3+2b)^2$.

$\frac{6b}{4b^2-9} : \frac{b}{(2b+3)^2} = \frac{6b}{(2b-3)(2b+3)} \cdot \frac{(2b+3)^2}{b}$

Сокращаем $b$ и $(2b+3)$: $\frac{6(2b+3)}{2b-3} = \frac{12b+18}{2b-3}$.

Теперь сложение. Заметим, что $3-2b=-(2b-3)$.

$\frac{12b+18}{2b-3} + \frac{45-6b}{-(2b-3)} = \frac{12b+18}{2b-3} - \frac{45-6b}{2b-3} = \frac{12b+18-(45-6b)}{2b-3} = \frac{12b+18-45+6b}{2b-3} = \frac{18b-27}{2b-3} = \frac{9(2b-3)}{2b-3} = 9$

Ответ: $9$

ж) $25\sqrt{b} - 0,5\sqrt{4b} + 100\sqrt{0,16b}$

Упростим каждое слагаемое, вынося множители из-под знака корня:

$25\sqrt{b} - 0,5\sqrt{4}\sqrt{b} + 100\sqrt{0,16}\sqrt{b} = 25\sqrt{b} - 0,5 \cdot 2\sqrt{b} + 100 \cdot 0,4\sqrt{b}$

$25\sqrt{b} - 1\sqrt{b} + 40\sqrt{b}$

Сложим коэффициенты при $\sqrt{b}$:

$(25 - 1 + 40)\sqrt{b} = 64\sqrt{b}$

Ответ: $64\sqrt{b}$

з) $\sqrt{98a} + 3\sqrt{242a} - 17\sqrt{512a}$

Упростим каждый корень, вынося из-под знака корня множители, являющиеся полными квадратами:

$\sqrt{49 \cdot 2a} + 3\sqrt{121 \cdot 2a} - 17\sqrt{256 \cdot 2a}$

$= \sqrt{49}\sqrt{2a} + 3\sqrt{121}\sqrt{2a} - 17\sqrt{256}\sqrt{2a}$

$= 7\sqrt{2a} + 3 \cdot 11\sqrt{2a} - 17 \cdot 16\sqrt{2a}$

$= 7\sqrt{2a} + 33\sqrt{2a} - 272\sqrt{2a}$

Приведем подобные слагаемые:

$(7 + 33 - 272)\sqrt{2a} = (40 - 272)\sqrt{2a} = -232\sqrt{2a}$

Ответ: $-232\sqrt{2a}$

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