Предмет: Математика, автор: inarabuturlina

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Срочно!!!

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Автор ответа: ChristmasIQ2

0

Ответ:20см 12см

Пошаговое объяснение:

6х2+4х2=20см периметр 1 прямоуг

4х2+2х2=12см периметр после уменьшения

Автор ответа: QUEENOFCHESS

0

Ответ:

Первый вариант:1)6+4+6+4=20 см-Периметр

Второй вариант:2)(6-2)+(4-2)*2=8см- Периметр нового прямоугольника

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