Предмет: Математика, автор: cot76

Треугольник abc разбит на равносторонние треугольники. Периметр треугольника abc равен 54 см. Найди периметр закрашенного треугольника.

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Ответы

Автор ответа: nika5etoile

0

54:3=18
18:3=6
6*3=18см

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