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Problem

隔了一年半,終於肯的起心肝再寫文章。今次想分享一下兩個月前在 Whatsapp group 中看到的問題:

Solve this:

 2    2    2  =  6
 3    3    3  =  6
 4    4    4  =  6
 5    5    5  =  6
 6    6    6  =  6
 7    7    7  =  6
 8    8    8  =  6
 9    9    9  =  6
10   10   10  =  6 

提示:只能用數學符號

其實自己一直糾結着應否寫這篇文…感覺上大家即使解了這道題,也不會學到些甚麼。Anyway,先試試解這道題吧…我下一頁會寫上自己的答案。

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Fannie

3×3-3? Hahaaa