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题型:口算与估算 题类: 难易度:容易

北师大版2023年数学二年级上册第一单元过关检测B卷

 直接写出得数。                                                                                                                                      

35+6=

30+56=

48+20-7=

23+25=

54+18=

29-20+7=

78-7=

90-39=

6+30+34=

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