Предмет: Математика, автор: larakolle2017

как найти число по его проценту?

Ответы

Автор ответа: Клонфуций

если надо найти процент от числа ( например 10% от числа 50) то надо перевести процент в дробь ( поделить на 100 - 10÷100=0,1 ) а потом это переведенный процент умножить на число (0,1*50=5). если надо найти число по его части ( 5 - 10% , найти число). то надо перевести процент в дробь (поделить на 100- 0,1 ). а потом переведенный процент поделить на часть которую он составляет (5÷0,1=50)

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