Chrome，
QQ浏览器
.
![全91集【2025新教材 北师大版数学七年级上册]2025新教材北师大版数学，七年级数学上下册数学视频课本同步精讲](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F650945e3fac512c9c093afcbbcf7b59aed3323cc.jpg%40672w_378h_1c_%21web-search-common-cover)
![七年级第08期：几何图形初步-[初中数学同步讲练系列]](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F2ab9136fb9ec8c3c518ad9e63236bd7bcde61aeb.jpg%40672w_378h_1c_%21web-search-common-cover)
.