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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,*,6和7的分与合,4,2,6,5,1,1,2,2,3,1,1,4,3,3,2,4,2,5,1,5,1,2,4,4,2,3,3,6,1,5,6,5,1,6,2,4,6,4,2,6,3,3,6一共有几种不同的分法?,太棒了!,3种,1,6,6,1,2,5,5,2,3,4,4,3,1,6,6,1,2,5,5,2,3,4,4,3,7有几种不同的分法?,3种,3,、 大比拼,?,3,1,2,4,5,3,4,2,5,3,、,大比拼,?,3,1,2,4,6,5,4,5,3,1,6,2,1,5,6,4,3,2,4,1,7,2,7,7,5,6,6,7,5,6,6,1,5,2,4,1,2,3,4,5,6,第,1,层和第,5,层,第,2,层和第,4,层,1,6,2,5,3,4,1,2,3,4,5,6,第,1,层和第,6,层,第,2,层和第,5,层,第,3,层和第,4,层,从上到下排,上面的少下面的多,越往下就越多,每层都比相邻的上面一层多,1,根。,7,6,智慧城堡,1,2,4,6,1,1 1,7,2,3,7,5,4,2,4,3,这节课你有什么收获,?,5,1,4,2,6,1,5,2,4,3,谢谢,
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