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Вариант 13-14

Authored by Ольга Кирковец

Mathematics

9th Grade

Used 1+ times

Вариант 13-14
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите верное равенство:

-3(a-2b)= -3a+2b

-3(a-2b)= -3a-6b

-3(a-2b)= -3a+6b

-3(a-2b)= -3+a-2b

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Треугольник АВС - прямоугольник (см. рис.). Гипотенуза АВ=12см, ∠АВС=30°, тогда катет АС равен

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Запишите число 0,00029 в стандартном виде

0,29⋅10-4

29⋅10-5

2,9⋅10-4

2,9⋅10-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите двойное неравенство -1,2≤-3х≤2,4

0,4<х<-0,8

0,4≤х≤-0,8

-0,8≤х≤0,4

-0,8<х<0,4

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите график обратной пропорциональности

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Запишите число 0,000037 в стандартном виде

0,37⋅10-6

37⋅10-4

3,7⋅10-4

3,7⋅10-5

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