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Пропорции

Authored by Полина Зинченко

Mathematics

1st - 5th Grade

Used 34+ times

Пропорции
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Назвать основное свойство пропорции.

ЗНАЮ

НЕ ЗНАЮ

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Реши пропорцию 12x=45\frac{12}{x}=\frac{4}{5} 

48

15

18

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Замени пропорцией равенство 424=84242\cdot4=84\cdot2  


 4284=24\frac{42}{84}=\frac{2}{4}  

 424=842\frac{42}{4}=\frac{84}{2}  

 422=844\frac{42}{2}=\frac{84}{4}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Найди сумму средних членов пропорции 7:5=14:107:5=14:10  


12

17

19

24

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Какая из пропорций неверна?

3:15=4:203:15=4:20

3:4=15:203:4=15:20

4:15=3:204:15=3:20

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Реши пропорцию 15:3х=10:415:3х=10:4  


2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Определи пропорциональность

прямая

обратная

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