450*15:100=67,5
450-67,5=382.5
Проверка
450*0.85=382.5
Номер 4
18*100:12=150
Номер 5
15*100:25=60%
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Answers & Comments
450*15:100=67,5
450-67,5=382.5
Проверка
450*0.85=382.5
Номер 4
18*100:12=150
Номер 5
15*100:25=60%