each side put 6 ping pong.tvb now,tvbnow,bttvb: D& R4 i5 s3 \
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3tvb now,tvbnow,bttvb$ e6 E( ~+ ~" q9 P% u, O/ k5 f
Then select the side of 3 ping pong which is heavier.
1 S* x3 ^* u( q5 Z9 W9 K公仔箱論壇After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.# ?/ M+ T5 O0 m5 T
If one side is heavier means the heavier side ping pong is the one |