Предмет: Математика, автор: natalyatrofimo

найти площадь прямоугольника,если сумма его длины и ширины 13 дм,а длина 8 дм

Ответы

Автор ответа: nadyaalekhina

13-8=5 и 5*8=40 S=а*в

natalyatrofimo: большое спасибо!

Автор ответа: Хавратова

S=длина*ширина
Ширина=13-8=5
S=8*5=40

natalyatrofimo: большое спасибо!

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