Решите уравнение: 2x + 5 = 15.

Математические испытания для восьмиклассников

Quiz
•
Mathematics
•
8th Grade
•
Hard
Валентина Сердюк
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7
0
5
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое значение x удовлетворяет уравнению: 3x - 7 = 2?
5
-2
3
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите дробь: 12/16.
3/4
2/3
4/5
1/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сложите дроби: 1/4 + 2/3.
1/2
5/6
11/12
3/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычтите дроби: 5/6 - 1/2.
1/3
3/6
2/3
1/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое число является 25% от 200?
50
25
75
100
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если 60% от числа равно 120, то какое это число?
150
250
200
180
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