each side put 6 ping pong.
# I, I" F: p1 z0 X& r" nThen select the side of 6 ping pong which is heavier and measure again with 3 + 3
/ I) h6 R( t N5 b5.39.217.77Then select the side of 3 ping pong which is heavier.* K# j) M6 H; B% x5 i
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.公仔箱論壇( ~' O, @" N. s1 y( ]
If one side is heavier means the heavier side ping pong is the one |