其他
苏六数下2圆柱和圆锥 精讲
https://v.qq.com/txp/iframe/player.html?vid=t03163fp83d&width=500&height=375&auto=0
https://v.qq.com/txp/iframe/player.html?vid=v0316tdtw3f&width=500&height=375&auto=0
复制打开网址 www.1ydt.com 下载全册PPT课件及word教案试卷点击阅读原文看全部教学内容
https://v.qq.com/txp/iframe/player.html?vid=g0316onjm50&width=500&height=375&auto=0