摘要
排列组合在中学数学内容中,是学生普遍感到困难的部分。本文用现代数学的语言给予解释和说明。
In the math class of the middle school, permutation and combination is the part which is felt generally difficult by students. This article gives out explanations and illustrations in the language of modem mathematics.
出处
《黔南民族师范学院学报》
2007年第6期37-38,41,共3页
Journal of Qiannan Normal University for Nationalities
关键词
乘法原理
集合
关系
单射
陪集
分类
multiplicative principle
relation
coset
classification
