一年级两位数加减法口算练习题(六十)
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2018-10-16 16:55:37
一年级两位数加减法口算练习题(六十)
| 73-37= | 78-57= | 31+33= | 55-43= | 44+50= |
| 90-18= | 41-18= | 77-35= | 33+48= | 41+47= |
| 88-43= | 10+10= | 31+69= | 49-29= | 15+39= |
| 76-42= | 83-47= | 37+50= | 76-23= | 82-57= |
