2021.12.30-全等三角形-212021096

Added by 212021096 2 年 ago

55 Views0 Comments0 Likes

20211009-全等三角形-212021096

Added by 212021096 3 年 ago

23 Views0 Comments0 Likes

20211009-正弦定理-212021097

Added by 212021097 3 年 ago

34 Views0 Comments0 Likes

20211010-线段垂直平分线的性质-212021116

Added by 212021116 3 年 ago

37 Views0 Comments0 Likes

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

20211230-线段的垂直平分线的性质-212021116

Added by 212021116 2 年 ago

14 Views0 Comments0 Likes

210917-基本不等式-212040016

Added by 212040016 3 年 ago

22 Views0 Comments0 Likes

211008-三角函数诱导公式-212040011

Added by 212040011 3 年 ago

38 Views0 Comments0 Likes

211008-勾股定理-212021083

Added by 212021083 3 年 ago

31 Views0 Comments0 Likes

211008-基本不等式-212021095

Added by 212021095 3 年 ago

25 Views0 Comments0 Likes