Question

Помогите!
Дам 50 баллов!

Answer 1

Ответ:

23/36+31/63=1 11/84;

3/4+5/21=83/84;

1 11/84-83/84=1/7;

1/7*48=6 6/7;

3/5:7/8=24/35;

6 6/7:24/35=10;

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19/26+14/39-1/6=12/13;

12/13*54 1/6=50;

8 4/7:12/35=25;

50:25=2;

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10:2=5.