精品人教课标试验版小学数学四年级上册第三单元三位数乘两位数.ppt
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;计算下面各题(时间1分钟);温故知新;; 查缺补漏 口算;2 0 6;火眼金睛;;;请你思考;
把知识、方法迁移,你能解决新问题吗?
买125本单价1.6元的书。共需几元钱?;;用0、3、5、7、9组成三位数乘两位数的乘法算式,我能写出
( ) ×( )、( ) × ( )、
( ) ×( )、( ) × ( )、
( ) ×( )……
乘积最大的是( ) × ( )
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