Предмет: Математика, автор: lolagbdr

2.8-(23.4-х):7.2=0.3 как найти х ?

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Автор ответа: miron2077

0

2.8-(23.4-х):7.2=0.3
(23,4-х):7,2=2,8-0,3
23,4-х=2,5*7,2
23,4-х=18
х=23,4-18
х=5,4

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