Chrome，
QQ浏览器
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![[初中数学]角平分线定理的证明及使用，解中考问题大有用处](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F9edbc860fc2e87488124e351593f88071bb0f69c.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：7 时间：2025-12-27简介： -
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![[初中数学]角平分线定理的证明及使用，解中考问题大有用处](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F9edbc860fc2e87488124e351593f88071bb0f69c.jpg%40672w_378h_1c_%21web-search-common-cover)
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