Предмет: Математика, автор: Ленар2033

Картинка состоит из 60 пазлов. Коля собирает 15 пазлов за 5 минут, а его друг Стас 12 пазлов за это же время. Сколько пазлов останется им сложить после 10 минут совместной работы?

Ответы

Автор ответа: Obamka

15*2= 30- собирает Коля за 10 мин
12*2=24- собирет Стас за 10 мин
24+30=54- собирают вместе за 10 мин
60-54=6- останется собрать

Ленар2033: Спасибо)

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