who can't figure out??????it's just basic math, primary school kid should already know it [-X
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$ R- o- L' A8 g0 ~9 p% ~* n- w1st: 6 vs 6, find out which side is heavier
. j. Z' }# R4 K+ n公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier
; ]7 [# k. e7 @, \* ~8 a5 ^$ `tvb now,tvbnow,bttvb3rd: 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 |