Предмет: Математика, автор: русскийязык2класс

измерь стороны каждго квадрата в миллиметрах и узнай его периметр. решение запиши сначала сложение ,а потом умножением . Причем сторона квадрата 25 миллиметров . как правильно решить.

Ответы

Автор ответа: кляча

1) 25 + 25 + 25 + 25 = 100(мм) - периметр квадрата (сложением)
2) 25 * 4 = 100(мм) -периметр квадрата (умножением)
Ответ: 100 мм - периметр квадрата.

Автор ответа: hannahelri

первый способ
p=25+25+25+25
второй способ
p=25*4 (25 умножить на 4)

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