2020.5.26-《大自然的语言》-212021068

Added by 212021068 2 年 ago

29 Views0 Comments0 Likes

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

2022-05-19《桃花源记》212021078

Added by 212021078 2 年 ago

42 Views0 Comments0 Likes