北京版二年级数学下册电子课本教材(义务教育教科书)

一、 有余数的除法······································1
二、 混合运算···········································8
三、 对称与方向···········································19
四、 万以内数的认识·································26
五、 万以内数的加法和减法···················45
六、 解决问题···········································65
七、 千克与克的认识·································72
        超市里的小调查·································77
八、 时、分、秒的认识·····························79
九、 收集数据···········································84
十、 数学百花园········································88
十一、 总复习···········································89
十二、附页···········································95
前 言
亲爱的同学∶
很高兴和你一起步入数学学习之旅!
在数学之旅中你会遇到很多数学问题和能够运用数学知识解决的实际问题。开动脑筋，认真思考，你就会成功地解决这些问题，，相信你一定会在这个过程中感受到快乐的

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