
1․-15․2/3=10
2.-16:20=0,8=4/5
3.-225:0,75=
22500:75=300
4.-18:45=2/5
5.-
1.-16+24+60+36=136
136.75/100=10200
2.-16+24=40
40/60=2/3
3.-36-24=12=1
12/60=1/5
4.-24.36=924
16.60=960
924:960=0,9

6.-75.40/100=30
7.-80.36/100=28,8
8.-42:35/100=42.100/35=120
9.-
10.-