Chrome，
QQ浏览器
.
![人教A高中数学必修三1.1.2 程序框图与算法的基本逻辑结构[田华峰]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F37913f4fe58bae5c5f31cd34840b1f9ecdf8eea4.jpg%40672w_378h_1c_%21web-search-common-cover)
.