| 原有 | 吃掉 | 剩下 |
15根 | 8根 | 根 | |
12块 | 块 | 3块 | |
个 | 6个 | 5个 |
8+7= | 14-10= | 3+4= | 9-6= | 2+9= |
6+6= | 8+9= | 18-5= | 10-6+3= | 7+7-5= |
6+5+2= | 13-3-2= | 5+0+9= | 10-2+7= |
3+9= | 7+8= | 10-9= | 6+8= |
8-5= | 10-5= | 12+4= | 5+7= |
10-6+6= | 6-3+10= | 10-4+3= | 2+8+5= |
16-10+9= | 15-5-5= |
9+8= | 10-6= | 14-4= | 4+8= |
6+7= | 8-4= | 13-3= | 5+9= |
7+8= | 6+9= | 10+8= | 3+8= |
3+5+9= | 10-7+6= | 8-3+7= | 8-8+2= |