Предмет: Математика, автор: Аноним

Я решила нужно просто сделать проверку.Помогите

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Автор ответа: dilarakonst

2

Ответ:Примерно 9 часов

Пошаговое объяснение:300:90=3,3...

900-300=600км.

600:100=6ч

3+6=9ч.

(я округлила)

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