Предмет: Математика, автор: bebiakindaniil

Реши пропорцию:

2 2/3:7=1 1/7:y.

Ответ: y=

Ответы

Автор ответа: prettypushkova

6

2 2/3 : 7 = 1 1/7 : у - это пропорция

8/3 : 7 = 8/7 : у

8/3 · у = 7 · 8/7 - свойство пропорции

8/3 · у = 8

у = 8 : 8/3

у = 8 · 3/8

у = 3

Ответ: у = 3.

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