Question

вычислите 
1)1-1/8:6
2)1-7/15:5
3)1-3/10:2

Answer 1

1-1/8:6=8/8-1/8:6=7/8:6=7/48
1-7/15:5=15/15-7/15:5=8/15:5=8/75
1-3/10:2=10/10-3/10:2=7/10:2=7/20