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Mathematics

7th - 9th Grade

Used 11+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упрости произведение и найди коэффициент: 2а ⋅ 3b ⋅ (-2c)

- ₁₂
₁₂
-abc
abc

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Приведи подобные слагаемые: 2,3z + 0,8z - 0,5z

2,6
2,6z
- 2,6z
1,6z

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Раскрой скобки и приведи подобные слагаемые: 5x - 6y - (x - y)

4x + 5y
-4x + 5y
4x - 5y
6x - 7y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найди среди чисел - 4, 3, -3, -1, 2, 0 корень уравнения - 5 + 3x = 4 

3
-3
-1
0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Реши уравнение 5x - 6 = 3x + 8

-2
2
-7
7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

При каком значении a значение дроби (2a - 5) ∙ ½ равно 4?

- 6,5
6
6,5
-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычисли значение выражения: 35 - 20 - (- 12) + 10 + (- 34).

- 21
- 47
47
3

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