Question

( 2,04 - 1целая 1/4 ) : 1/20

Answer 1

1)2.04-1.25=0.79
2)(0.79*20) *1=15.8

Answer 2

(2,04-1,25)/0,05=0,79/0,05=15,8
(2 4/100 - 1 1/4)/1/20 = (204/100 - 5/4)/ 1/20 = (204/100 - 125/100) / 1/20 = 79/100 / 1/20 = 79/100 * 20/1 = 1580/100 = 15,8