My604 溫哥華生活資訊網 - 查看單個文章

無花果 · 12-11-2005

they didn't lose anything ya...
everybody paid 90*3 = 270
the night actual cost = 250, waiter took 20, so 250+20=270
just the way the question sounded is creepy bah...

12-11-2005	#5
無花果	回覆: 靈異數學題目 they didn't lose anything ya... everybody paid 90*3 = 270 the night actual cost = 250, waiter took 20, so 250+20=270 just the way the question sounded is creepy bah...