1. 1st divide to half take the heavier out $ Q2 K" L, w4 JTVBNOW 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。2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) ! r7 `1 y/ A5 {+ A2 _5 E6 \5.39.217.773. Same method if is not equal on 2nd try.