
Алгебра 7 класс 2 часть 17 вопросов
Authored by Вадим Румянцев
Mathematics
10th Grade
Used 55+ times

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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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