who can't figure out??????it's just basic math, primary school kid should already know it [-X& u4 U' [5 L* D( R, J" J
8 \; Y6 h0 a( u/ N) X: N1 E) r公仔箱論壇1st: 6 vs 6, find out which side is heavier
1 ^+ W& B' [& L; z+ |2nd: from the heavy side, 3 vs 3, find out which side is heavier
7 d8 d6 z$ C ntvb 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 |