who can't figure out??????it's just basic math, primary school kid should already know it [-X
( o/ ^. c, J9 ]+ S( ctvb now,tvbnow,bttvb
) n [4 X/ J$ v1st: 6 vs 6, find out which side is heaviertvb now,tvbnow,bttvb' b7 ^+ I: F, }- h( h
2nd: from the heavy side, 3 vs 3, find out which side is heavier. t$ l* w, T" u8 D, k
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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