
Домашка

Quiz
•
Mathematics
•
7th Grade
•
Medium
Mary K
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Обери варіант, де правильно розкрито дужки
(a - b) = a + b
-(a + b) = -a + b
-(a - b) = -a - b
-(-a + b) = a - b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-10 + 27
-7
37
17
-17
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Знайди х, якщо х + 12 = 31
33
19
-29
17
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Обери варіант, в якому правильно розкрито дужки для виразу 17 - (a + 2c)
17 + a - 2c
17 - a - 2c
17 + a + 2c
17 - a + 2c
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Обери варіант, в якому правильно розкрито дужки для виразу 3(d + 5f)
3d - 5f
3d + 5f
3d + 10f
3d + 15f
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Обери варіант, в якому правильно розкрито дужки для виразу (m + n) - (- a + 3)
m + n - a + 3
-m + n + a - 3
m + n - a - 3
m + n + a - 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Розкрий дужки -(a - w)
-a - w
-a + w
a + w
a - w
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