who can't figure out??????it's just basic math, primary school kid should already know it [-X8 V$ B& K* c# {% a' z9 a1 P
% ~8 R; N3 q, O3 P9 V6 @* b1st: 6 vs 6, find out which side is heavier
# N( ~8 v- C; h8 t0 Y3 H2nd: from the heavy side, 3 vs 3, find out which side is heavier
( o1 s& P2 g7 |0 z; k3rd: 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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