who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb1 o; }- ~- J+ ~' ^/ q0 ~
$ K' m t9 f4 Y. b) z/ D5 Htvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
( q: s5 [1 m, n5.39.217.772nd: from the heavy side, 3 vs 3, find out which side is heavier
" A. ~, ^: X) m. q2 `$ w3rd: choose 2 out of 3 from the heavier side, if they weight the same, the 1 left is the one, if not, u can see it right away the heavier ball is on the 天秤 |
發表於 2007-2-25 09:20 PM
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發表於 2007-2-27 09:08 PM
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