who can't figure out??????it's just basic math, primary school kid should already know it [-Xwww3.tvboxnow.com G# l$ Z" D, f) c4 L6 ]
( O1 W/ A! d* h N4 qwww3.tvboxnow.com1st: 6 vs 6, find out which side is heavier
, h/ j3 B/ @; q X: Gtvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heavier
( z! H, [4 p- a" F" c9 {0 T3rd: 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 |