Răspuns:
9:1=9/9:9=1
3:1=3/3:3=1
1:1=1/1:1=1
10:1=10/10:10=1
7:1=7/7:7=1
2:1=2/2:2=1
5:1=5/5:5=1
8:1=8/8:8=1
6:1=6/6:6=1