Предмет: Математика, автор: alexmygyev

В пустуй бачонок сначала налили 13 кг мёда , а потом ещё 5кг. Масса бочонка с мёдом стала равна 20 кг. Найди массу пустого бочонка. Можно с краткой записью. И решение.

Ответы

Автор ответа: atayazimkulov
0
20-(13+5)=2(кг)- весит бочонок

Автор ответа: Никита6Игошкин
0
1)13+5=18 (кг)- добавили в пустой бочонок;
2)20-18=2(кг)-масса пустого бочонка
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