二数下2 表内除法(一)

https://v.qq.com/txp/iframe/player.html?vid=p0375igdnnv&width=500&height=375&auto=0

https://v.qq.com/txp/iframe/player.html?vid=z03153p1s1r&width=500&height=375&auto=0

复制网址 www.1ydt.com 打开下载完整全册word试卷教案及PPT课件点击阅读原文看全部教学内容

https://v.qq.com/txp/iframe/player.html?vid=i0560vvsjy2&width=500&height=375&auto=0