who can't figure out??????it's just basic math, primary school kid should already know it [-X
7 L1 @! u" v" A/ l
5 j4 X! I2 o) {2 y3 o3 c6 _tvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
2 k# l J/ |3 c2nd: from the heavy side, 3 vs 3, find out which side is heavier
- r' Z$ o4 b1 _$ G; d3 Q- F3rd: 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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