1st trial - put 6 balls at each side .. take out the lighter 6 balls! j3 Z3 ^- W: l3 G- ^
2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。, I; T3 B! W8 D3 G0 G
lastly, take out the lighter 3 balls.... now left 3 balls..
$ Z3 Y8 O; ]1 x& \, k; p2 T5.39.217.763rd 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... |