一年级两位数加减法口算练习题(八十五)
奥数网
2018-10-30 11:16:10
一年级两位数加减法口算练习题(八十五)
| 42-24= | 97-81= | 97-71= | 32+42= | 22+73= |
| 87-11= | 86-27= | 62-50= | 22+47= | 71-33= |
| 18+23= | 53-48= | 37-22= | 19+46= | 77-41= |
| 37-25= | 51-15= | 12+51= | 98-85= | 70-16= |
