who can't figure out??????it's just basic math, primary school kid should already know it [-X
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0 ^) Q" p/ b" d l) V1st: 6 vs 6, find out which side is heavier公仔箱論壇3 Z9 {& a1 l1 s1 }3 Y$ u
2nd: from the heavy side, 3 vs 3, find out which side is heavier
$ f' O+ M- o% |" g8 m3rd: 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 2007-2-27 03:20 PM
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