who can't figure out??????it's just basic math, primary school kid should already know it [-X4 V* l5 o7 s2 ^( ^! x
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1st: 6 vs 6, find out which side is heavier
1 y& D. e( J) V& G/ j2 wtvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heaviertvb now,tvbnow,bttvb1 H. h6 b0 R" ` y: ?) G
3rd: 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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