Б)
14/25 - 1/5 = (145)/(255) - 5/2= 70/125 - 25/12= (70-25)/12= 45/12= 9/25
в)
7/10 - 9/100 = (710)/(1010) - 9/10= 70/100 - 9/10= (70-9)/10= 61/100
Б)
14/25 - 1/5 = (145)/(255) - 5/2
= 70/125 - 25/12
= (70-25)/12
= 45/12
= 9/25
в)
7/10 - 9/100 = (710)/(1010) - 9/10
= 70/100 - 9/10
= (70-9)/10
= 61/100