初三人教版化合物的化学式的写法!化合价的口诀!举几个列子!还有口诀!
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![初三人教版化合物的化学式的写法!化合价的口诀!举几个列子!还有口诀!](/uploads/image/z/1435491-27-1.jpg?t=%E5%88%9D%E4%B8%89%E4%BA%BA%E6%95%99%E7%89%88%E5%8C%96%E5%90%88%E7%89%A9%E7%9A%84%E5%8C%96%E5%AD%A6%E5%BC%8F%E7%9A%84%E5%86%99%E6%B3%95%21%E5%8C%96%E5%90%88%E4%BB%B7%E7%9A%84%E5%8F%A3%E8%AF%80%21%E4%B8%BE%E5%87%A0%E4%B8%AA%E5%88%97%E5%AD%90%21%E8%BF%98%E6%9C%89%E5%8F%A3%E8%AF%80%21)
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