Предмет: Русский язык, автор: максАзов1

длина сторон четырехугольника 5 дециметров 8 дециметров 9 дециметров 12 дециметров найди его периметр

Ответы

Автор ответа: levrygalin
1
P = 5дм + 8 дм + 9 дм + 12дм = 34 дм
Ответ: 34 деиметра
Автор ответа: AlliaSx
1
5+8+9+12= 34 дециметров или 340 сантиметров
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