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三年级数学下册三《乘法》电影院习题（无答案）北师大版.doc

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1电影院同步习题一、竖式计算。（1）3217 4615 （2）6524 4828（3）2538+290 5112-48 二、解决问题。1.为了支援灾区三四五年级捐书，三年级捐了 12包，还多 35本。四年级还差 5本就够 15包了。（每包 50本）（1）三年级捐了多少本书？（2）四年级捐了多少本书？2.五年级捐了 597本书，45 包一本，包了 12包，还剩多少本书没包？

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