Предмет: Математика, автор: moskalukartemm

r) 18/52 = (2x)/13 д) (2, 2)/(3, 5) = y/(3, 85) e) c / 2, 43 = 2/5 .

Ответы

Автор ответа: Aaaaaaaaaaaaaaa1234

1

Ответ:

знаю только 18/52=2х/13

Пошаговое объяснение:

18=2х*4

х=18/2*4

х=2,25

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