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Автор - katyakovalchuk1

Длина прямоугольника 11 дм, ширина-на 7 дм меньше. Найди периметр и площадь прямоугольника.

Ответ

Автор - Manyakhinilya
1)11-7=4дм ширина 2)(11+4)* 2=30дм периметр. 3)11*4=44дм в квадрате площадь

Ответ

Автор - Dina2232
1)11-7=4(дм)-ширина
2)(11+4)•2=30(дм)-периметр
3)11•4=44(дм²)- площадь

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