who can't figure out??????it's just basic math, primary school kid should already know it [-X
% `3 D$ o1 X1 X0 \2 c0 Z公仔箱論壇公仔箱論壇$ K- n4 I$ e) E+ R3 i
1st: 6 vs 6, find out which side is heavier
) d w- r2 G9 Z% D% j' }% c( g5.39.217.772nd: from the heavy side, 3 vs 3, find out which side is heavier
, ~/ U% O2 c1 A# `2 Y w% G3rd: 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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