一年级两位数加减法口算练习题(八十)
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2018-10-25 17:53:56
一年级两位数加减法口算练习题(八十)
| 27-13= | 50-31= | 48-38= | 91-35= | 21+21= |
| 98-63= | 26+42= | 89-68= | 38+55= | 91-31= |
| 85-71= | 23-20= | 75-15= | 94-40= | 37-31= |
| 11+16= | 81-18= | 85-15= | 50-32= | 69-33= |
