each side put 6 ping pong.
! J; m/ }+ t& \公仔箱論壇Then select the side of 6 ping pong which is heavier and measure again with 3 + 3) ^5 I. S* w( d6 p# T" I; Y3 |
Then select the side of 3 ping pong which is heavier.
" t* W1 b6 O! X7 U7 `tvb now,tvbnow,bttvbAfter tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.' U% I& E5 h# r* H1 J) Z: p" W
If one side is heavier means the heavier side ping pong is the one |