一年级两位数加减法口算练习题(十)
网络资源
2018-09-20 13:47:45
一年级两位数加减法口算练习题(十)
| 52-12= | 91-75= | 55-51= | 34-20= | 98-62= |
| 13+61= | 74-12= | 99-90= | 16+18= | 79-42= |
| 98-50= | 90-54= | 13+27= | 45+45= | 80-24= |
| 36+55= | 78-14= | 57-40= | 49-25= | 93-52= |
