Chrome，
QQ浏览器
-
-
-
-
-
-
-
-
![[二次函数17]二次函数图像与一元二次不等式解集之间的关系](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F2a5c014538151cfa7f9daff9a505a2a0886ef66b.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
播放：30 时间：2024-06-19简介： -
-
-
-
-
-
-
-
![[二次函数17]二次函数图像与一元二次不等式解集之间的关系](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F2a5c014538151cfa7f9daff9a505a2a0886ef66b.jpg%40672w_378h_1c_%21web-search-common-cover)
.