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播放：3 时间：2025-10-08简介： -
播放：0 时间：2025-10-18简介： -
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![人教版初中化学九年级上册绪言化学使世界变得更加绚丽多彩[张跃英]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F4006377e3fc009ead8a28b75472eddf211b69f1a.jpg%40672w_378h_1c_%21web-search-common-cover)
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![全72集2025新课提前学【九年级化学上册/下册]2025年最新九年级化学趣味动画，初三化学上下册，初中化学动画](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Ff7ece3988889a25d39c7d8482593e385c2531770.jpg%40672w_378h_1c_%21web-search-common-cover)
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![人教版初中化学九年级上册绪言化学使世界变得更加绚丽多彩[张跃英]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F4006377e3fc009ead8a28b75472eddf211b69f1a.jpg%40672w_378h_1c_%21web-search-common-cover)
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