Заменить числами 30% 56% 90%
30% = 30/100 = 3/10 = 0.3
56% = 56/100 = 14/25 = 0.56
90% = 90/100 = 9/10 = 0.9
30%=30:100=0,3
56%=0,56
90%=0,90