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Алгебра 7 сынып

Authored by Надежда Косинская

Mathematics

1st - 12th Grade

Used 556+ times

Алгебра 7 сынып
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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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