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xbdzsmc:一个省份距离北京的距离怎么算呢?难道不应该是从这个省份距离北京最远的点算吗?额济纳难道不比宁夏所有的地方距离北京远吗?楼下说说,是否合理? (2015-09-14 10:44)
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cbmaths:从数学上来说,两个图形的距离就是两个图形上的点的连线中最短的长度 (2015-09-15 09:56)
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mahogany115:俺用银川计算 (2015-09-14 15:19)
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007:也许他觉得大厂也属于宁夏。 (2015-09-13 13:34)
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