太空化学吧 关注:673贴子:5,077
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方程式PbS+4H2O2=PbSO4+4H2O
第一个关卡中PbS只有一个键
第二个关卡中增大难度PbS有三个键
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IP属地:江苏1楼2013-01-06 20:07回复
    有空我试试= =


    IP属地:北京来自手机贴吧2楼2013-01-06 22:06
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      我来试试...
      1:20,计时开始!


      3楼2013-01-08 01:20
      回复
        完成! 1:37


        4楼2013-01-08 01:38
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