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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,北师大版一年级数学下册,练习三,北师大版一年级数学下册练习三,67,63,62,54,67636254,24,54,30,245430,78,48,30,784830,80,96,56,44,80965644,37,36,52,45,37365245,4 6,9 9,4 69 9,7 9,6 4,7 96 4,北师大版一年级数学下册练习三习题ppt课件,北师大版一年级数学下册练习三习题ppt课件,北师大版一年级数学下册练习三习题ppt课件,北师大版一年级数学下册练习三习题ppt课件,22+6,28,(元),22+628(元),23,20,3,(元),23203(元),20+23,43,(元),买,1,个足球和,1,个救生圈一共要多少元?,20+2343(元)买1个足球和1个救生圈一共要多少元?,22,36,58(,节,),22,12,10(,节,),223658(节)221210(节),22,15,37,23,14,37,24,13,37,221537231437241337,46,53,99,(元),465399(元),9,2,92,0,2,9,029,9,9,6,996,你发现了什么?,22,33,44,41,55,15,51,66,16,61,77,17,71,88,18,81,99,11,12,13,41,14,66,51,15,77,61,16,88,71,17,99,81,18,你发现了什么?22334441551551661661771,
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