Автор - oxanapalagnuk

-8 2/5:7;13 4/5:(-6);-18 3/4:(-3)​

Ответ

Проверено экспертом

Автор - prettypushkova

- 8 2/5 : 7 = - 42/5 · 1/7 = - (6·1)/(5·1) = - 6/5 = - 1 1/5 = - 1,2

13 4/5 : (-6) = 69/5 · (-1/6) = - (23·1)/(5·2) = - 23/10 = - 2 3/10 = - 2,3

- 18 3/4 : (-3) = 75/4 · 1/3 = (25·1)/(4·1) = 25/4 = 6 1/4 = 6,25

Пояснения:

(-) : (+) = (-)

(+) : (-) = (-)

(-) : (-) = (+)

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