ОГЭ 8 алгебраические выражения

ОГЭ 8 алгебраические выражения

9th Grade

10 Qs

quiz-placeholder

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ОГЭ 8 алгебраические выражения

ОГЭ 8 алгебраические выражения

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Анна Попова

Used 10+ times

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10 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 1x25x\frac{1}{x}-\frac{2}{5x}  Найдите значение выражения при x=0,3

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 9b+5a9b2b9b+\frac{5a-9b^2}{b}  Найдите значение выражения при a=9, b=18

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 a5xa:ax5x2a2\frac{a-5x}{a}:\frac{ax-5x^2}{a^2}  Найдите значение выражения при a=-74, x=-10

4.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 (x2)÷x24x+4x+2\left(x-2\right)\div\frac{x^2-4x+4}{x+2}  Найдите значение выражения при x=18

5.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

 a15×a11a23\frac{a^{15}\times a^{11}}{a^{23}}  Найдите значение выражения при a=5

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

 a26×(b4)6(a×b)24\frac{a^{26}\times\left(b^4\right)^6}{\left(a\times b\right)^{24}}  Найдите значение выражения при a=10 ,b=14

7.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

 64a20a18\sqrt{\frac{64a^{20}}{a^{18}}}  Найдите значение выражения при a=5

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