Раскройте скобки : - (3в – а + 2)
«Выражения с переменной»

Quiz
•
Mathematics
•
6th Grade
•
Hard
Салтанат Молдажанова
Used 13+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-3в + а - 2
3в – а + 2
-3в – а + 2
3в – а + 2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите уравнение : 5х +6 = 3х - 8
-5
7
6
-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите уравнение : -4·(-7х + 5)= -160
- 5
5
42
нет корней
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Раскройте скобки и упростите выражение: 2·(х + 4) + 3·(15 - 4х)
14х - 53
-10х -53
14х + 53
- 10х + 53
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Вынесите общий множитель за скобки: (21х + 7у)
5(3х+2у)
7(3х+у)
-7(3х-у)
7(2х-у)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Выполните действие: - 3,25· 0,13· 4
1,69
-1,09
- 1,69
1,09
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите уравнение: 3·(х – 2)= х + 2
4
2
5
3
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