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播放：9 时间：2024-06-20简介： -
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播放：7 时间：2024-06-20简介： -
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![[初二数学]一次函数专题几何综合等腰三角形的存在性](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F89573cd5a3ae151c0a46640865b9406103b1d113.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[初二数学]等腰三角形判定（B班对照）](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fca705e61f75ebbf5b8c36315319422a00dcf7adc.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[初二数学]一次函数专题几何综合等腰三角形的存在性](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F89573cd5a3ae151c0a46640865b9406103b1d113.jpg%40672w_378h_1c_%21web-search-common-cover)
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