
Алгебра. 7 класс
Authored by Илюза Сафина
Mathematics, Fun
1st - 5th Grade
Used 225+ times

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18 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Найдите значения выражения 4x - 7 при x=7
21
-35
-21
35
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Найдите значение выражения 10 - 2y при y= -3
4
8
16
-4
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Вычислите значение выражения ax-3y при a= 10, x=3, y=-5
15
45
-15
30
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Найдите 85% от 17
12, 45
12,35
14,45
14,35
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Упростите значение выражения
5-(a-3)
8 + a
2 + a
2 - a
8 - a
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Упростите выражения:
7+(12p-8)
12p-1
15-12p
12p+1
15+12p
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Является ли 3 корнем уравнения?
5(2x - 1) = 8x + 1
Да
Нет
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