Question

памагите пжжжжж надо
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Answer 1

Ответ:

2/7÷7/9=6/7

6÷3/5=10

4 1/2÷ 3 3/4=9/8

20/21÷15=4/63

Answer 2

Ответ:

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2/3 : 7/9 = 2/3 * 9/7 = 6/7

6 : 3/5 = 6/1 * 5/3 = 30/3 = 10

4 1/2 : 3 3/4 = 9/2 : 15/4 = 9/2 * 4/15 = 6/5 = 1 1/5

20/21 : 15 = 20/21 * 1/15 = 4/63

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