14-8= | 16-9= | 78-70= | 6+8-9= |
6+7= | 6+70= | 11-5= | 16-8+7= |
17-8-3= | 5+4+7= | 44-4+6= |
12->5 8+<17 <64-60
13-5= | 60+6= | 15-9= | 39-9= |
6+90= | 16-9= | 18-6= | 15-7= |
33-30= | 20+10= | 6+14= | 8+40= |
30+5= | 12-8= | 18-9= | 7+5= |
8+4-6= | 16-5= | 75-70= | 14-6= |
9+4= | 45-40+6= | 8+60= | 15+4= |
50+9= | 17-8= | 13-7+5= | 58-8= |
13-5= | 20+8= | 13-4= | 5+4+60= |