Предмет: Математика, автор: aleksey7182

72 : (13 - x : 7) = 8

Ответы

Автор ответа: vesssna

13 - х/7 = 72/8
13 - х/7 = 9
-х/7 =9-13
-х/7=-4
х= -7*(-4) = 28
Ответ : 28

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