技能训练视频平台

211010-三角形全等的判定-212021122

Added by 212021122 5 年 ago

78 Views0 Comments0 Likes

211010-三角函数的概念-212021100

Added by 212021100 5 年 ago

74 Views0 Comments0 Likes

211010-任意角的三角函数-212021094

Added by 212021094 5 年 ago

85 Views0 Comments0 Likes

20211010-线段垂直平分线的性质-212021116

Added by 212021116 5 年 ago

85 Views0 Comments0 Likes

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

211009-函数的奇偶性-212021089

Added by 212021089 5 年 ago

113 Views0 Comments0 Likes

互评量表

20211009-全等三角形-212021096

Added by 212021096 5 年 ago

79 Views0 Comments0 Likes

211009-等差数列的前n项和-212040015

Added by 20160412 5 年 ago

122 Views0 Comments0 Likes

20211009-正弦定理-212021097

Added by 212021097 5 年 ago

89 Views0 Comments0 Likes