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Алгебра 7 класс 2 часть 17 вопросов

Authored by Вадим Румянцев

Mathematics

10th Grade

Used 57+ times

Алгебра 7 класс 2 часть 17 вопросов
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Уравнение 5х - 3 = 21 - 7х равносильно

-2х = 24

12х = 24

12х = 18

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение (а − 2)(а + 2) + 4.

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение (х − 8)(х + 8) + 64.

64

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение -4m + 9n - 7m - 2n.

-3m + 11n

-3m + 7n

-11m + 7n

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сравните значения выражений −у и 3у при у = −4.

−у > 3у

−у < 3у

−у = 3у

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: 5у − 3,5 = 2у + 5,5.

-3

3

5

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