《对数与对数运算》精讲

https://v.qq.com/txp/iframe/player.html?vid=s0370iyxuf0&width=500&height=375&auto=0

高中数学精品辅导课直播https://v.qq.com/txp/iframe/player.html?vid=c0370hknoc5&width=500&height=375&auto=0

复制打开网址 www.1ydt.com 下载全册PPT课件及教案试卷

点击阅读原文看全部教学内容https://v.qq.com/txp/iframe/player.html?vid=j0157rqtnxy&width=500&height=375&auto=0