Chrome，
QQ浏览器
-
-
-
-
-
-
-
![人教数学九上23.3 课题学习 图案设计[刘老师]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F12de77bc7639fe3662a61e943a21c322dc7fb348.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
播放：9 时间：2024-06-20简介： -
-
-
-
-
-
-
-
-
-
-
-
-
-
播放：9 时间：2024-06-20简介： -
-
-
-
-
![人教数学九上公开课：21.3探究3“封面设计”[马老师]【一等奖】优质课 有PPT课件 教案 说课稿](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Ff9168f5d180c749346a6f58212ca80c951f2bcd8.jpg%40672w_378h_1c_%21web-search-common-cover)
-
![人教版初三数学-九年级数学-上册-下册-9年级数学全册-初中数学同步新课[零基础][全224集]](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F917d1ce6b32196faebfaa4f14905c80cdb1b8596.png%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
-
播放：0 时间：2025-06-19简介： -
-
-
-
-
-
![人教数学九上23.3 课题学习 图案设计[刘老师]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F12de77bc7639fe3662a61e943a21c322dc7fb348.jpg%40672w_378h_1c_%21web-search-common-cover)
![人教数学九上公开课：21.3探究3“封面设计”[马老师]【一等奖】优质课 有PPT课件 教案 说课稿](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Ff9168f5d180c749346a6f58212ca80c951f2bcd8.jpg%40672w_378h_1c_%21web-search-common-cover)
![人教版初三数学-九年级数学-上册-下册-9年级数学全册-初中数学同步新课[零基础][全224集]](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F917d1ce6b32196faebfaa4f14905c80cdb1b8596.png%40672w_378h_1c_%21web-search-common-cover)
.