who can't figure out??????it's just basic math, primary school kid should already know it [-X* T$ I! l$ a( A% F+ ~
/ a, E3 w# m; B u6 z; A5.39.217.761st: 6 vs 6, find out which side is heavier
' V' J5 I7 Z2 y9 qtvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heavier
) @; O+ V& ^! e3 y公仔箱論壇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 |