Скобки
Authored by Елена К
Mathematics
7th Grade
Used 1+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Раскройте скобки: -(49 + 6 - 9)
-49 + 6 + 9
-49 - 6 + 9
-49 - 6 - 9
49 + 6 - 9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
–(х + у)
–х – у
х – у
–х + у
х + у
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Раскройте скобки: –(а – b)
–а + b
–а – b
а – b
а + b
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Раскройте скобки: – (–х+у)
–х – у
–х + у
х – у
х + у
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Приведите подобные слагаемые 15а - 20а + 5
0
- 5а +5
5а + 5
-5а-5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Упростите выражение: 5а - 13в + 10а + 6в
8ав
15а - 7в
15а - 19в
-5а-7в
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Раскройте скобки и упростите(3у - 2х) - (-5у + х)
8у - х
8у - 3х
- 8у - 3х
-8у+3х
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