Предмет: Математика, автор: умникфрид

Группа из 31 туриста переплыла на 7 лодках на противоположный берег озера. Лодки были пятиместные и трёхместные. Сколько лодок было пятиместных? трёхместных?

Ответы

Автор ответа: klopova1997

4 пятиместные и 1 трёхместная

Автор ответа: умникфрид

А решение?

Автор ответа: klopova1997

ой,не то,не правильно

Автор ответа: klopova1997

5 пятиместных и 2 трёх.

Автор ответа: klopova1997

правильно как обьяснить не знаю, но 5*5=25; 2*3=6; 25+6=31

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