who can't figure out??????it's just basic math, primary school kid should already know it [-Xtvb now,tvbnow,bttvb5 y# b5 X% A( h8 H6 B
7 R' g- _4 M' V* i3 g. w0 `5 _; Gtvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
# C g i+ a" M; I4 ktvb now,tvbnow,bttvb2nd: from the heavy side, 3 vs 3, find out which side is heavier公仔箱論壇- O+ F5 T! { G$ }
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 |