Chrome，
QQ浏览器
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播放：22 时间：2024-06-19简介： -
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![《等腰三角形与等边三角形的性质》优质课公开课 北师大版数学八年级下册 教师获奖公开课 比赛课课堂实录（配套PPT课件教案）[平老师]【市一等奖】](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F879ca36b32ce3217ca970f42cd073de2dad2a8e7.jpg%40672w_378h_1c_%21web-search-common-cover)
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![全91集【2025新教材 北师大版数学七年级上册/下册]2025新教材北师大版数学，七年级数学上下册数学视频课本同步精讲(同步练习题)](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F659f35a5c2a93b8ef34f0a99a3a67140c3dbccc9.jpg%40672w_378h_1c_%21web-search-common-cover)
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![《等腰三角形与等边三角形的性质》优质课公开课 北师大版数学八年级下册 教师获奖公开课 比赛课课堂实录（配套PPT课件教案）[平老师]【市一等奖】](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F879ca36b32ce3217ca970f42cd073de2dad2a8e7.jpg%40672w_378h_1c_%21web-search-common-cover)
![全91集【2025新教材 北师大版数学七年级上册/下册]2025新教材北师大版数学，七年级数学上下册数学视频课本同步精讲(同步练习题)](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F659f35a5c2a93b8ef34f0a99a3a67140c3dbccc9.jpg%40672w_378h_1c_%21web-search-common-cover)
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