Предмет: Математика, автор: vikakhlystova08

Номер4 помогите дам 30 баллав

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Автор ответа: Аноним

Площадь стола 4800 см ² , а его ширина 60 см. Чему равен его периметр ?

Решение :

1) 4800 ÷ 60 = 80 см - длина стола ;

2) 2 × ( 80 + 60 ) = 2 × 140 = 280 см - периметр стола.

Ответ : 280 см

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