18+5= | 64-7= | 68-60= | 11-8= | 3+40 |
35-20= | 80-60= | 35+7= | 52+8= | 39+20= |
70-5= | 62-8= | 50+15= | 65-20= | 48-9= |
20-10+7= | 79-9+6= | 8+50-8= |
13-9+30= | 60+2-60= | 10+4-5= |
12-2= | 11-8= | 7+5= | 6+7= |
13-4= | 16-9= | 15-7= | 17-8= |
5+9= | 14+5= | 10+10= | 18-0= |
13-5= | 60+6= | 15-9= | 39-9= |
6+90= | 16-9= | 18-6= | 15-7= |
33-30= | 20+10= | 6+14= | 8+40= |