Предмет: Математика, автор: барбаришкин

Помогите с задачей. Длина прямоугольника 3м5дм.Это на 1м5дм больше шрины. Чемуравен периметр прямоугольника

Ответы

Автор ответа: Avelinka

0

35дм-15дм= 20 дм ширина
35*2+20*2=70+40=110

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