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Алгебра 8 классДЗ

Authored by Irina Sergeevna Miss Irina Sergeevna

Mathematics

5th Grade

Used 110+ times

Алгебра 8 классДЗ
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17 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Упростите выражение 1x21x4\frac{1}{x^2}\cdot\frac{1}{x^{-4}}  и найдите его значение при  x=3x=-3  

-9

9

 19-\frac{1}{9}  

 13\frac{1}{3}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Вынесите множитель за знак корня

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Вынесите множитель за знак корня

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Внесите множитель под знак корня

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Упростите выражение

Media Image
Media Image

-5

5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Вычислите:

Media Image
Media Image
Media Image

Нет верного ответа

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Вычислите:

-4

10

2

16

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