Предмет: Математика, автор: егор23578584

У Алёши и Коли вместе 11 машинок, у Вани и Коли 12 машинок, а у Алеши и Вани вместе 13 машинок. Сколько машинок у каждого мальчика

Ответы

Автор ответа: georg2001

(11+12+13)/2=18------ машинок у мальчиков.
18-11=7 -------машинок у Вани.
18-12=6------- машинок у Алеши
18-13=5 ------машинок у Коли

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