who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb. A+ E! B [9 h! ?! {# @
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1st: 6 vs 6, find out which side is heavier
% Q- c/ d& a5 B x& X! e- S2nd: from the heavy side, 3 vs 3, find out which side is heavier公仔箱論壇2 M5 p' ~) M7 Y
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 |