Question

СРОЧНО!!!
20 - 18.5 : (6 4/15 - 4 3/20)

Answer 1

1) 6 11/15-4 3/20= 6 44/60-4 9/60=2 35/60=2 7/12

2) 18,6:2 7/12=18 3/5 : 31/12= 93/5 * 12/31= 7 1/5

3) 20-7 1/5= 20 - 7.2=12.8

Answer 2

6 -4-(4*460-3*360)=2-760=1 5360

18 510:1 5360=372*60113=1110113=9

20-9 93113=10 20113