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Автор - petrovich49

4 ) 5 ) 6)
Помогите, прошу​

Ответ

Автор - gaskovasofia333

4) 79/5+103/5=103/3-79/5=24/5

5) -16/9-23/6=-32+69/18=-5 11/18

6) 16/21-16/3=119/21-16/21=-5 2/21

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