Предмет: Математика, автор: shpachek76

Сильные грозы обычно дают много молний. Во время одной грозы наблюдатель за 15 минут насчитал 100 молний. Посчитай, сколько вспышек молний случилось за час?

Ответы

Автор ответа: рполдролд
14
в часе 4 раза по 15 минут по этому мы 100*4 =400 молний
Автор ответа: olgapetrakova
18
60 :15 = 4 периода
100 * 4 = 400 молний.
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