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Автор - rintl22

За 3 часа поезд прошел 210 км. Чему ровна скорость поезда

Ответ

Автор - Nastya25052004
210:3=70 км/ч скорость поезда

Ответ

Автор - Cool12309
S=tv
v=S/t
v=210/3=70км/ч

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