Алгебра 7 сынып
Authored by Надежда Косинская
Mathematics
1st - 12th Grade
Used 564+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4a(2a+3)=
8a+12a
8a2 +12a
4a2+12
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
-10ab(3a-5b)=
30a2b+50ab2
-30a2b-50ab2
-30a2b+50ab2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
a(a+b)+b(a+b)=
a+2a2b+b2
a2+2ab+b2
a2+2ab+b
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
7a2(a+2a2)-7a2=
14a2
2a3+14a2
a3-14a2
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
a3(a2+1)-a4(a+1)=
-a5+a3
-a4+a5
-a4+a3
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(2b2-50b+10)0.2b=
4b3-10b2+0.2b
0.4b3-10b2+2b
0.4b2-10b+0.2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(4a2b+6ab2) ділиться на Х, знайти Х
Х=2
Х=3
Х=4
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