Average (82+20)/2=51 is still very big, unless

来源: LAChinese 于 2009-10-08 14:56:37 [] [旧帖] [给我悄悄话] 阅读数 : (39 bytes)
回答: 給想娶幼妻的老男人們 ZT 由 SLC58 于 2009-10-08 12:59:31

(82+20+20)/3=41 or (82+20+20+20)/4=35.5

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