aho: [技术贴]请进 [阅读: 548] 2005-11-09 07:58:03 已知: a+b=110, a+c=112, a+d=113, a+e=114, b+c=115, b+d=116, b+e=117, c+d=118,c+e=120 e+d=121... 求 a,b,c,d,e