我好像找到了答案

回答: 1.5 star star- finding roadguest0072010-03-09 08:27:57

NE141, W100(to north point), counterclockwise half circle(to south point), then E100
total:141+100+314+100=655 miles

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此題應為三星 -guest007- 給 guest007 發送悄悄話 (71 bytes) () 03/13/2010 postreply 15:21:16

請您先登陸,再發跟帖!