Предмет: Математика, автор: гуля60

начертит прямо угольник , длина которого 1дм,а ширина в 5 раз меньше. вычислить его периметр?

Ответы

Автор ответа: anastasiyaks

1)1:5=0.2 2)1*0.2=0.2-периметр

Автор ответа: alina22094

1дм=10см
10:5=2(см)-ширина
(10+2)*2=24(см)-периметр
24см=2дм4см

Автор ответа: гуля60

спо

Автор ответа: гуля60

Спасибо

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