Предмет: Математика, автор: dan1loff1208

в классе X девочек, а мальчиков на 4 меньше чем девочек. сколько в классе всего учащихся

Ответы

Автор ответа: gomanmatvey

Ответ:

Пошаговое объяснение:

х-4 мальчиков

х+(х-4)=2х-4 всего детей в классе

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