1. divide 6 and 6, both sides will not equal公仔箱論壇 I0 N7 r. U$ K6 o* }
2. take any side of the 6, divide then 3 and 3, again both sides will not equal5.39.217.77:88984 N% {6 u. c0 p9 O3 J* R
3. take any 2 and weigh themtvb now,tvbnow,bttvb% a: g4 l; \& W# c2 m( E
if they equal, the one left is the ball.