一年级两位数加减法口算练习题(九十九)
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2018-11-08 16:35:19
一年级两位数加减法口算练习题(九十九)
| 50-22= | 99-21= | 69-22= | 51-47= | 35+44= |
| 14+41= | 20+48= | 86-35= | 95-40= | 84-62= |
| 98-70= | 84-11= | 85-72= | 79-51= | 82-53= |
| 95-66= | 32-16= | 94-41= | 51-14= | 91-83= |
