take 4 balls as a group, 3 groups - A B C% F* g4 d0 ?3 G0 [3 Q1 U' R
weigh A & B (ex. B heavier)5.39.217.77:8898" J) i0 c8 V5 @" B$ E
then weigh B & C (B & C same weight)
! Q7 W& w* m* _$ H: Z* VTVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)
5 r* f, v; ]1 A3 g) h. qTVBNOW 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。heavier or lighter
, d t* ^$ O8 i1 H5 Ctvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
( q, U- M5 Y0 l4 @measure E vs F to find which 1 is lighter.... |