Предмет: Математика, автор: зххз

помогите пожалуйста найди 3% от 4,2!

jekadva: =0,126

Ответы

Автор ответа: sellenity

4,2 - 100%
х - 3%
х=4,2×3/100=0,126
ответ. 0,126

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