Предмет: Математика, автор: Котями

Как проверить полученные пропорции,определяя отношения чисел?

Ответы

Автор ответа: Timorous

Пример:2/10=1/5
1 способ:
2:10=1:5
0,2=0,2
Тут просто разделить на две частные и сравнить результаты
2 способ
Произведение крайних членов умножать на произведение средних
2*5=10*1
10=10

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