Предмет: Математика, автор: mary1733

проверить пропорцию 9/10:3/5=1,2:0,8 ; решить уравнения 12,4:x=5,58:0,9 ; 4,5:x=12,5:4 ; 1,5:2=x:8 ; 3/1=18/y

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Автор ответа: Sasha0128

0

вот решила уравнения

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