I don't think so: 回复：ＴＨＥ Q IS　ＷＲＯＮＧ，

来源: 于 2012-03-11 17:31:57 [旧帖] [给我悄悄话] 本文已被阅读：次

4*22=88=(-6)^2+4*(-6)*26+26^2=F(-6,26), so 88 belongs to A as well.