Предмет: Математика, автор: nissan696

Помогите пожалуйста.
Упростить выражения:
4/9(2,7m-2 целых1/4n)-4,2(5/7m-0,5n)=

Ответы

Автор ответа: veronika070301

2

1 целая 1/5m-1n-3m+2 целых 1/10n=1 целая 1/5m-3m-1n+2 целых 1/10n=1 целая 4/5m+1 целaя 1/10n вроде бы так

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