Chrome，
QQ浏览器
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播放：17 时间：2024-06-19简介： -
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![【获奖】冀教版初中数学九上《27.1 反比例函数》[董老师]【市一等奖】优质课公开课教学视频](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F726f057c91055c32c30c26b041c46452b375fed1.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：2 时间：2025-11-20简介： -
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![【获奖】冀教版初中数学九上《27.2反比例函数的性质》[王老师]【市一等奖】优质课公开课教学视频](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F714572906698135beb82ba8f2f73f1aff3787134.jpg%40672w_378h_1c_%21web-search-common-cover)
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![【全153集】7-9年级数学（人教版九年级上下册数学）数学提升课程(同步课+培优课)[视频+PDF]](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F9c7f59c725da5d5558eabcac2423b6f44f73e60e.png%40672w_378h_1c_%21web-search-common-cover)
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播放：29 时间：2024-06-19简介：
![【获奖】冀教版初中数学九上《27.1 反比例函数》[董老师]【市一等奖】优质课公开课教学视频](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F726f057c91055c32c30c26b041c46452b375fed1.jpg%40672w_378h_1c_%21web-search-common-cover)
![【获奖】冀教版初中数学九上《27.2反比例函数的性质》[王老师]【市一等奖】优质课公开课教学视频](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F714572906698135beb82ba8f2f73f1aff3787134.jpg%40672w_378h_1c_%21web-search-common-cover)
![【全153集】7-9年级数学（人教版九年级上下册数学）数学提升课程(同步课+培优课)[视频+PDF]](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F9c7f59c725da5d5558eabcac2423b6f44f73e60e.png%40672w_378h_1c_%21web-search-common-cover)
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