日期:2024-05-16
试题详情
看谁都能算对。
11-8= | 17-9= | 16-7= | 3+8-9= | 13-5= |
13-9= | 18-9= | 12-5+8= | 12-7= | 12-8= |
17-8= | 13-8+6= | 16-9= | 12-3= | 12-9= |
4+9-7= | 11-7= | 16-8= | 14-9= | 7+7-8= |