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,的分解与组成,5,3,2,4,2,2,3,2,1,2,1,5,2,3,2,1,1,3,小复习,真,棒,！,6,5,1,6,1,5,6,4,2,6,2,4,6,3,3,6,1,5,1,6,5,6,3,3,6,2,4,6,2,4,哪两张卡片上的点子数合起来是,6,？,把,7,个 分成两堆有几种分法？,试一试,7,7,6,1,1,6,7,7,5,2,2,5,7,7,4,3,3,4,7,6,1,7,1,6,7,5,2,7,2,5,7,4,3,7,3,4,哪两朵 上的数合起来是,7,？,4,5,3,6,1,2,1,6,2,5,3,4,1,5,4,3,2,7,1,6,5,7,7,2,4,6,6,