who can't figure out??????it's just basic math, primary school kid should already know it [-X) o, H/ C" k4 x7 @* |
9 c2 l. a g- [5 c% X1st: 6 vs 6, find out which side is heavier
! j3 h$ a7 n6 i! s5.39.217.772nd: from the heavy side, 3 vs 3, find out which side is heavier6 |% ]3 B# y/ }3 q3 s% J
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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