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[讨论] 蝴蝶图 |
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发表于 2014-12-15 03:35 PM
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发表于 2014-12-15 03:38 PM
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发表于 2014-12-15 03:43 PM
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发表于 2014-12-16 10:09 AM
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点评
AC之间的0.848,是不是指的是B-C的价格差是A-B的价格差的0.848?上面X-D的1.439是针对A-X的价格差说的么?希望我理解的正确。查了几个网站,貌似都没说清楚
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