Hey半斤=)) thinks
13 years ago
如果1+1就只是等於2那世界該有多簡單平凡
DcHo says
13 years ago
+1
Happiness_Ming says
13 years ago
這證明是難題
DcHo says
13 years ago
哈
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回憶。靈感如羽飄落 says
13 years ago
恩~全球數學家公認最難解
生人勿近Twin says
13 years ago
如果1+1就只是等於2那世界該多麼簡單無聊