北京版五年级数学下册电子课本教材(义务教育教科书)

一、长方体和正方体····································1
包装中的数学问题········································26
二、折线统计图与可能性·····························28
家庭生活中的碳排放·····································39
三、因数和倍数··············································41
四、分数的意义和基本性质··························58 工
五、分数的加法和减法··································81
六、数学百花园……········································97
七、总复习·······················································99
附页 ·.·······························································.107
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字际问题。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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