1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇; A; ^+ G4 O9 U @+ Q2 Y) F* u: a
2nd trial - put the heavier 6 balls by 3 balls at each side
3 r, b9 d, `5 E4 O! [" I! a7 atvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
7 Y4 s8 L& U- w" x: f; l |TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。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... |