消失的10元

消失的10元

蘋果花的老公

814 0

2017/09/20

1 mins read

☕

上了數學邏輯的課

消失的10元

內容大致如下

有3個女學生住進一間旅館

住宿費300

老闆想學生沒什麼錢

就叫服務生退50元給她們

服務生想50元她們分不平

就自己拿了20元起來

30元退給女學生

那女學生變成每人出90元

共270元

服務生按槓了20元

加總之後也只有290元

那剩下的10元呢

Ans.

她們原付出100x3=300

實際付出去的錢（270元）=給老闆的（250元)+服務生污走的（20元）

題目會如此設計只是要讓人混亂罷了...

最後老師給我們的一些小小的作業

就是上網去測IQ

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還是要找專業的來

身心障礙者通識必修體育課

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消失的10元測試iq 蘋果花的老公

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