1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.77:8898! {4 F5 {/ i5 d# `1 Y6 X0 H
2nd trial - put the heavier 6 balls by 3 balls at each side
! `! n5 V U: \3 ]- |8 Llastly, take out the lighter 3 balls.... now left 3 balls..
; D+ X9 y) K% h" c8 X7 k! J ktvb now,tvbnow,bttvb3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |