Chrome，
QQ浏览器
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![[初三数学04]二次函数与一元二次方程（不等式）](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F68cca5e1665f76f8c37bae31d10dcaf1dda8af56.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[初三数学02]二次函数的解析式：一般式，顶点式，交点式](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fae0ce33d2e8ad9c2141655c2c0c2e0b6da5b7947.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：29 时间：2024-06-19简介： -
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![[初三数学04]二次函数与一元二次方程（不等式）](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F68cca5e1665f76f8c37bae31d10dcaf1dda8af56.jpg%40672w_378h_1c_%21web-search-common-cover)
![[初三数学02]二次函数的解析式：一般式，顶点式，交点式](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fae0ce33d2e8ad9c2141655c2c0c2e0b6da5b7947.jpg%40672w_378h_1c_%21web-search-common-cover)
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