Предмет: Математика, автор: adinora2000

помогите рещить уравнение 5 класс 72 / 60 = 18 / 4х + 7

Ответы

Автор ответа: BAC
4
Метод пропорции, получается:
288x + 504 = 1080
288x = 576
x = 2
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