Предмет: Математика, автор: ЭминЮнисов

Найди сумму: 1/5+2/7+1/2; 1/2+2/9+1/5; 1/4+1/3+1/5

Ответы

Автор ответа: pashapanov2005

0

1) 1/5+2/7+1/2=14/70+20/70+35/70=69/70; 2) 1/2+2/9+1/5=45/90+20/90+18/90=83/90; 3)1/4+1/3+1/5=15/60+20/60+12/60=47/60.

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