Предмет: Математика, автор: Fersi

Малочный завод отправил в магозин 56 ящиков сливочного масла,по 20кг в каждом за день продали 2,5 части этого масла.Скоко килограммов масла осталось?

Ответы

Автор ответа: биофизик

56*20=1120 всего кг
1120 - 5/5
x - 2/5
x=1120*2/5=448 кг
1120-448=672кг
Ответ осталось 672 кг

Автор ответа: Аноним

65*20=1120 кг масла - всего
1120:5*2=448 кг - продали
1120-448=672 кг - осталось

Fersi: спасибо

биофизик: я написал тоже самое а спасибо только ей)) я вижу девушка умна и красива, но спасибо наверное я тоже заслужил))

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