Предмет: Математика, автор: Аноним

x+(x:3)=480 РЕШИТЬ УРАВНЕНИЕ

Ответы

Автор ответа: 0Liza0

приводим к общему знаменателю левую часть
(3х+х):3=480
4х:3=480:1
решаем пропорцией
4х=480*3
4х=1440
х=1440:4
х=360

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