建國百年鋼砲 is
14 years ago
喀...一整天都被同一個問題擋住 (doh)
chenlen says
14 years ago
是錢嗎
Juyilin says
14 years ago
?
建國百年鋼砲 says
14 years ago
是數學問題啦，還好解開了，繼續解下一個...
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Juyilin says
14 years ago
厲害