1st trial - put 6 balls at each side .. take out the lighter 6 balls
* c6 R$ j; z1 ]& a/ d7 k. y) F/ x5.39.217.762nd trial - put the heavier 6 balls by 3 balls at each side3 T, R- a/ G3 N, }
lastly, take out the lighter 3 balls.... now left 3 balls..
4 u- K+ b1 p4 m; T4 hTVBNOW 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... |