Предмет: Математика, автор: aidaisultanbekova16

Помогите пожалуйста ​

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Автор ответа: albina345p
1

Ответ:

Пошаговое объяснение:

8 2/5+3 4/5=11 6/5=12 1/5 см вторая сторона

(8 2/5+12 1/5)-6 4/5=20 3/5-6 4/5=13 4/5 см третья сторона

13 4/5+1 1/5=14 5/5=15 см четвертая сторона

8 2/5+12 1/5+13 4/5+15=8+12+13+15+2/5+1/5+4/5=48 7/5=49 2/5 см периметр

aidaisultanbekova16: спс
albina345p: :)
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