
свойства умножения
Authored by Elena Vitkovskaya
Mathematics
12th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Раскройте скобки:
4(а+5)=
4а+5
4+а+5
4а+20
4а+9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Раскройте скобки:
(8-m)125=
1000+m
1000+125m
8+125m
8+m+125
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение:
b+29b=
b(1+29)=30b
b(0∙29)=0
b(29)=29b
b(b+29)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение:
44d-37d=
d(44-37)=7d
d(44+37)=81d
d+(44-37)=d+7
d-(44-37)=d-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение:
49k+21k+30=
k(49+21)+30=
70k+30
k(49+21+30)=
100k
k+(49+21+30)=
k+100
k-(49+21)+30=
k-70+30
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислите удобным способом:
4∙36∙5=
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислите удобным способом:
250∙3∙4
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