Category: 19级化学师范
220505-习题课-08190404
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220414-复习课-08190404
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220609-元素化合物说课 氯及其化合物-08190404
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220526-概念原理说课 化学反应与热量的变化-08190404
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220519-氧化还原反应说课-26190429
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190609-钠及其化合物说课-26190429
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氯气的性质说课
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氧化还原反应复习课
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氧化还原反应说课
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