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Приведение дробей к общему знаменателю

Authored by Елена Матюшкина

Mathematics

5th Grade

Used 11+ times

Приведение дробей к общему знаменателю
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Приведите дроби 1/3 и 2/5 к общему знаменателю.

1/3 = 5/15, 2/5 = 6/15

1/3 = 6/15, 2/5 = 9/15

1/3 = 4/15, 2/5 = 7/15

1/3 = 8/15, 2/5 = 11/15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какой общий знаменатель у дробей 3/4 и 2/7?

12

28

35

21

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Приведите дроби 5/8 и 3/10 к общему знаменателю.

The common denominator for 5/8 and 3/10 is 15. So, the equivalent fractions are 9/15 and 6/15.

The common denominator for 5/8 and 3/10 is 40. So, the equivalent fractions are 25/40 and 12/40.

The common denominator for 5/8 and 3/10 is 20. So, the equivalent fractions are 10/20 and 6/20.

The common denominator for 5/8 and 3/10 is 30. So, the equivalent fractions are 15/30 and 9/30.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какой общий знаменатель у дробей 2/9 и 5/6?

Общий знаменатель у дробей 2/9 и 5/6 - это 18.

Общий знаменатель у дробей 2/9 и 5/6 - это 20.

Общий знаменатель у дробей 2/9 и 5/6 - это 15.

Общий знаменатель у дробей 2/9 и 5/6 - это 12.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Приведите дроби 7/12 и 1/4 к общему знаменателю.

7/12 = 5/8, 1/4 = 2/8

7/12 = 9/12, 1/4 = 3/12

7/12 = 7/12, 1/4 = 1/4

7/12 = 7/12, 1/4 = 3/12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какой общий знаменатель у дробей 4/11 и 3/5?

9

55

20

7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Приведите дроби 9/16 и 5/6 к общему знаменателю.

9/16 = 36/64, 5/6 = 45/64

9/16 = 27/48, 5/6 = 40/48

9/16 = 18/32, 5/6 = 20/32

9/16 = 45/80, 5/6 = 64/80

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