八上数学13.3《等腰三角形》微课精讲

https://v.qq.com/txp/iframe/player.html?vid=a0180hqflqp&width=500&height=375&auto=0

https://v.qq.com/txp/iframe/player.html?vid=g01690gv6s8&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=y0562yq79rl&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