Предмет: Математика, автор: svetlanarekun6

Додаткове завдання. До басейну підведено три труби. Че- рез першу трубу він наповнюється за 6 год, через дру- гу - за 3 год, а через третю спорожнюється за 8 год. Яка частина басейну наповниться за 1 год, якщо відкрити три труби одночасно?

помогите пж

Ответы

Автор ответа: HvariyA18

0

1/6+1/8-1/9=12/72+9/72-8/72=13/72 - часть будет заполнена за час

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