take 4 balls as a group, 3 groups - A B C- s8 D7 b2 _8 j+ K& F
weigh A & B (ex. B heavier). ?. Z1 k) V. i% v! o/ O* y0 o
then weigh B & C (B & C same weight)
+ k" T0 P+ c7 T# m8 K) F5.39.217.76to find which group has the weight difference and find out is it (A is lighter)2 S+ f; `/ Z9 ?5 }% \, e0 ~
heavier or lighterTVBNOW 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。7 x5 j+ T7 p% L! w W
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ G, F ]4 ?% i+ Tmeasure E vs F to find which 1 is lighter.... |