1st trial - put 6 balls at each side .. take out the lighter 6 balls
8 o8 T* F, y# \1 Q4 Ytvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side
& U2 Y; o& E8 ]4 H4 s+ l3 u* R* Qtvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..# }: w) Y# ~! u! w- i6 C
3rd 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... |