Предмет: Математика, автор: Аноним

найти значение частного: 7,5 : (-5) ; - 7/22 ∶(-3/11); - 4/9 ∶ 7/18;

Ответы

Автор ответа: prettypushkova

2

7,5 : (-5) = - 1,5

- 7/22 : (-3/11) = 7/22 · 11/3 = (7·1)/(2·3) = 7/6 = 1 целая 1/6

- 4/9 : 7/18 = - 4/9 · 18/7 = - (4·2)/(1·7) = - 8/7 = - 1 целая 1/7

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