[挑戰] Wei-Hwa's Puzzle Challenges
原本那個在個人化首頁達文西的專欄,
現在出現了Wei-Hwa's Puzzle Challenges.
May 26th, 2006: While we're still getting some fancier stuff ready behind the
scenes, I thought this would be a good place to put some neo-classic puzzles.
Hope you like this one:
Using the numbers 3, 3, 8, 8 (in any order), make a mathematical expression
that equals 24. You can use only addition, subtraction, multiplication, and
division (and parentheses), but in any order you wish. Note that you have to
use all four numbers; otherwise 3 times 8 would be valid -- and that wouldn't
be much of a puzzle, would it?
from Google
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PO這篇文章的時候我發現玄機了!
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