Предмет: Математика, автор: tsobaevмагомед

Выразите отношение в проценты

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Автор ответа: miron2077

9:20*100%=45%
3,2:8/20*100%=(3,2*20*100%)/8=800%
1,26:6*100%=21%
12:60*100=20%

Автор ответа: pariyowa

б) 3.2 к 8/20 8/20 = 0.4
3.2 / 0.4= 0.8= 80%
в) 1.26 км к 6 км
1.26/6=0.21=21%
г) 12 мин. к 1 час 1 час = 60 мин
12/60=0.2=20%

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