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Nemo · 12-10-2005

how about let's say..
250+20=270
270/3=90
90+10=100

20 加上住宿費 250=$270
so everybody pays $90 and they will still have $10 left in their pocket which makes up to $30 in total.

九十元是已經加上服務生拿走的錢了,所以她不能再加二十, 而是因該加上他們拿回來的$30. 所以最後那兩段是錯誤的計算~~~^^
there~~~nothing is lost in here~~~^^

12-10-2005	#3
Nemo	回覆: 靈異數學題目 how about let's say.. 250+20=270 270/3=90 90+10=100 20 加上住宿費 250=$270 so everybody pays $90 and they will still have $10 left in their pocket which makes up to $30 in total. 九十元是已經加上服務生拿走的錢了,所以她不能再加二十, 而是因該加上他們拿回來的$30. 所以最後那兩段是錯誤的計算~~~^^ there~~~nothing is lost in here~~~^^ 這篇文章於 12-10-2005 11:16 PM 被 Nemo 編輯.