Предмет: Математика, автор: farafonovaira

Из листа бумаги длиной 21 см,шириной 15 см Данияр вырезал прямоугольник .Этот лист бумаги без остатка он разрЕзал на одинаковые квадратики.
*НАЙДИТЕ ДЛИНУ СТОРОНЫ КВАДРАТИКА.
*СКОЛЬКО КВАДРАТИКОВ ПОЛУЧИЛОСЬ?

Ответы

Автор ответа: t140759
0
длина стороны квадратика равна 3 см;
21:7=3 см и 15:5=3 см; таких квадратиков получилось 35 штук;
7 квадратиков по длине прямоугольника и 5 квадратиков по его ширине
7х5=35(шт)
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