口算我最棒．27+40= 25+30= 42+56= 40+60= 52-9= 60-30= 57+8= 80-40=
| 口算我最棒． 27+40= | 25+30= | 42+56= | 40+60= |
| 52-9= | 60-30= | 57+8= | 80-40= |
| 13-6= | 22+27= | 78-36= | 3+18= |
| 100-40= | 28-20= | 40-1= |
赞
可能相似的问题
| 口算我最棒． 27+40= | 25+30= | 42+56= | 40+60= |
| 52-9= | 60-30= | 57+8= | 80-40= |
| 13-6= | 22+27= | 78-36= | 3+18= |
| 100-40= | 28-20= | 40-1= |