Повторение
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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