Chrome，
QQ浏览器
.
![【苏科版八年级上册数学】赵观察-初中数学苏科版7-9年级（同步+培优）【视频+PDF】]全等三角形的判定（二）例6](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F5bc783da3709f3de206da17b7c08b6401459cbf0.png%40672w_378h_1c_%21web-search-common-cover)
![苏教版八年级数学上册1.3“HL”[陈老师]【市一等奖】_优质课公开课教学视频](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F1efc4d361d760c47c99da110cafd719bedcf014d.jpg%40672w_378h_1c_%21web-search-common-cover)
.