【摘要】 结合多年讲授高中“排列组合”这部分内容教学实际,探讨了在这部分内容教学中有关数学思想的渗透问题.更多还原

【Abstract】 with many years’real ercperience of teaching permutation and combination at a high middle school, I have probed into the osmosis of mathematical thinking in the teaching of them.更多还原