Предмет: Математика, автор: vvvvvvggggg

В канистре было 20л воды. Утром использовали 0,3 всей воды, днём 0,6 остатка, а вечером всю оставшуюся воду. Сколько воды использовали вечером ?

Ответы

Автор ответа: TiranX36

утром исп. 20*0.3=6 л
днем (20-6)*0.6=8.4л
осталось 20-6-8.4=5.6 л

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