who can't figure out??????it's just basic math, primary school kid should already know it [-X
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2 _, e% J& V! O5 x1 @公仔箱論壇1st: 6 vs 6, find out which side is heavier
! T) }# E0 k) ^公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heaviertvboxnow.com' d. c `1 z8 y* o A* i
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 2007-2-27 03:20 PM
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