Предмет: Алгебра, автор: klimenkol21

Помогите с задачей в приложении.
В ответе должно получится через 1,5 часа

Приложения:

Ответы

Автор ответа: Daredevil2015
1
15-12=3
4,5-3=1,5

Ответ такой же.

Автор ответа: FuNNyy
1
Vобщ=V1-V2
T=S/Vобщ
Т=4,5/(15-12)=1,5ч
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1 We ___ American.
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