1+10= | 16-2= | 8+9= | 6+6= |
20-20= | 10-0= | 10+10= | 13+6-6= |
17-5= | 7-3+4= |
6+3= | 9-4= | 5+4= | 2-2= |
12-2= | 6+8= | 19-10= | 4+6= |
5+9= | 10-7= | 7+6= | 8+3= |
10+3+5= | 7+9-2= | 17-5-2= | 13-2+9= |
2+6+9= | 18﹣5﹣2= | 19﹣9+1= |
17﹣3﹣7= | 11+4﹣8= | 13﹣6﹣7= |
10+6= | 12+4= | 15+4= | 14﹣10= |
11+8= | 17﹣7= | 19﹣7= | 15﹣3= |
2+7= | 18﹣10= | 4+10= | 14+4= |
9﹣6+0= | 4+3+5= | 13﹣3﹣5= | 7﹣3+8= |