Подготовка к экзамену (Неделя 1)

Подготовка к экзамену (Неделя 1)

9th Grade

19 Qs

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Подготовка к экзамену (Неделя 1)

Подготовка к экзамену (Неделя 1)

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Анна Лисицкая

Used 14+ times

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите верное утверждение:

mn7=mn7n\frac{m}{n}-7=\frac{m-n}{7n}

mn7=m7n7n\frac{m}{n}-7=\frac{m-7n}{7n}

mn7=m7nn\frac{m}{n}-7=\frac{m-7n}{n}

mn7=m7n\frac{m}{n}-7=\frac{m-7}{n}

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Найдите

 f(7)f\left(7\right)  если  f(x)=14xf\left(x\right)=\frac{-14}{x}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите значение выражения 493:7549^{-3}:7^{-5}  

 17\frac{1}{7}  

 77  

 17-\frac{1}{7}  

 7-7  

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Вычислите 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите верное равенство:

1c:c=1\frac{1}{c}:c=1

1c:c=1c2 \frac{1}{c}:c=\frac{1}{c^{2\ }}

1c:c=12c\frac{1}{c}:c=\frac{1}{2c}

1c:c=c2\frac{1}{c}:c=c^2

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

НОД (8; 12)

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

В прямоугольном треугольнике гипотенуза равна 25 см, один из катетов равен 7 см. Найдите второй катет этого треугольника.

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