1. divide 6 and 6, both sides will not equal 0 z% L# S- I1 K: M; ^1 _. r" M- h" ~2 X公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equal公仔箱論壇& l+ K, N. m6 |/ p, U5 U- T" ~1 U2 j
3. take any 2 and weigh themtvb now,tvbnow,bttvb( Z: R- ?" X8 k# s# g# Y- u
if they equal, the one left is the ball.