北京版四年级数学下册电子课本教材(义务教育教科书)

一 小数···············································1
二 小数加、减法·································23
三 平行与相交······································33
四 图形变换··········································39
设计和装饰《数学小报》····················60
五 解决问题···········································61
六 生活中的负数··································72
七 统计表···············································79
八 数学百花园·······································83
九 总复习···············································85
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!
我们一起出发吧

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