其他
八上数学12.3《角的平分线的性质》名师精讲1
https://v.qq.com/txp/iframe/player.html?vid=d0504v5ilsu&width=500&height=375&auto=0
https://v.qq.com/txp/iframe/player.html?vid=r01992uo8su&width=500&height=375&auto=0
初中名师在线辅导答疑(名师一节课,胜读N年书)https://v.qq.com/txp/iframe/player.html?vid=r0346d0skw2&width=500&height=375&auto=0
复制 www.1ydt.com 打开下载配套的ppt课件及教案,点阅读原文看全部教学视频