19/2 - 6/5 / - дробь
19/2 - 6/5 = 9,5 - 1,2 = 8,3
Либо
19/2 - 6/5 = 95/10 - 12/10 = 83/10 = 8 3/10
19/2 - 6/5=95/10 - 12/10 = 83/10 = 8 3/10= 8,3