李颖: 还是看错了。。。。。 [阅读: 338] 2004-11-12 08:21:39 还是看错了。。。。。 应该是 Length = 3 ((X - 3)/2 - 1) ====> Length = 3(X - 5)/2 Length = 2.5 ((X + 37)/2 -1) ====> Length = 5(X + 35)/4 ===> X = 205, Length = 300 DISSENT IS THE HIGHEST FORM OF PATRIOTISM ! --Thomas Jefferson