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原帖由 km1357 於 10-12-14 09:41 發表 
樓主: 你得4個數字, 又有4個operators, 好似有d問題???
(4個數字最多咪3個運算, 係咪?)
I guess it's a game of applying +,-,x,÷, ( ) to the 4 numbers in order to arrive at the desired result, which is 24 in this case. So it's not necessary to use all of them. It reminds me of a funny game I used to play with my classmates: to open 4 playing cards chosen at random. The one who first comes up with "24" with the four numbers will win. |
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