211010-对数的概念-212040013

Added by 212040013 4 年 ago

82 Views0 Comments0 Likes

211008-基本不等式-212021095

Added by 212021095 4 年 ago

29 Views0 Comments0 Likes

211230-二次函数的概念-212021086

Added by 212021086 4 年 ago

17 Views0 Comments0 Likes

20211010-线段垂直平分线的性质-212021116

Added by 212021116 4 年 ago

45 Views0 Comments0 Likes

http://m.youku.com/v_show/id_XNTgxMjE1NTczNg==.html  

211230-基本不等式-212040016

Added by 212040016 4 年 ago

52 Views0 Comments0 Likes