Модуль "Алгебра"
Authored by Нурврвоу Овоуоцолц
Mathematics
9th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Вычислите: 12−5⋅(−3)
-3
3
27
-21
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Решите уравнение: 2x+7=3x−5
12
-15
15
-12
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Упростите выражение: 3a−(5a+2)
2а-2
8а-2
-2а-2
-2а+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На координатной прямой отмечены числа a и b. Какое из следующих утверждений верно?
a+b > 0
ab > 0
b−a < 0
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
1
2
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