each side put 6 ping pong.
8 ^( n; x4 N4 k5.39.217.77Then select the side of 6 ping pong which is heavier and measure again with 3 + 3公仔箱論壇! N# q# B- X: @. F t5 ^
Then select the side of 3 ping pong which is heavier.5.39.217.77$ O. o7 l; B9 b) L0 J: {+ Y5 a/ k' ]
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
+ T, ]4 p0 W$ ^5 b, A4 i; NIf one side is heavier means the heavier side ping pong is the one |