其他
北四数上《线与角》微课精讲
视频精讲1https://v.qq.com/txp/iframe/player.html?vid=b01731b6y4s&width=500&height=375&auto=0
视频精讲2https://v.qq.com/txp/iframe/player.html?vid=c0329igdcmz&width=500&height=375&auto=0
视频精讲3
https://v.qq.com/txp/iframe/player.html?vid=i03410yc8la&width=500&height=375&auto=0
复制网址 http://t.cn/RCwMwVs 打开下载配套的课件教案
点击左下阅读原文看全部视频