" H; `! S- b+ X; R( m& M
# S+ s' h: q* M" X4 G: U/ [' l( ]
你好聰明作者: sc7086 時間: 2012-4-28 09:32 AM
You are so smart!作者: cyberryu 時間: 2012-4-29 12:47 AM
heard this before, very difficult for people who studied computer science, but very easy for people who studied chemistry. (we threw this question around at college)