who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb5 k/ \7 \- e# r( `
/ F; C+ e8 v* J' _tvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier. j9 ~; h; a% l! x2 |3 o2 `
2nd: from the heavy side, 3 vs 3, find out which side is heavier
( d! N# k' E" @5 s! {0 Q5.39.217.773rd: 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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