Предмет: Математика, автор: margo805

10 конвертов стоят 60к. Сколько стоят 4 таких конверта?

Ответы

Автор ответа: zVolume

0

10 конвертов - 60к

4 конверта - x

10/4=60/x

4*60:10=24к — стоят 4 конверта

Ответ: 24к.

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