хрупкие. Раскрытие скобок

Quiz
•
Mathematics
•
6th Grade
•
Hard
Салтанат Молдажанова
Used 41+ times
FREE Resource
10 questions
Show all answers
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
1 min • 1 pt
Укажите коэффициент при х: х – 4у + 1
1
коэффициента при х нет
–1
0
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Упростите: 3х (–4у)
12xy
–12xy
12 (х – у)
х – у
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Раскройте скобки: – (–х+у)
–х – у
–х + у
х – у
х + у
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Укажите коэффициент при у: х – у + 1
0
1
коэффициента при у нет
–1
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