take 4 balls as a group, 3 groups - A B C
( u7 E7 m; i% y5.39.217.77weigh A & B (ex. B heavier)5.39.217.776 q R$ |) Z. l9 }: s
then weigh B & C (B & C same weight)
3 z( N6 c0 o# y0 V0 }/ i+ z5.39.217.77to find which group has the weight difference and find out is it (A is lighter)
/ g1 S+ c+ ?; b. {5.39.217.77heavier 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。! U% @7 H0 j2 c
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)TVBNOW 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。" R* c7 s/ H) z4 _. j1 Y" J
measure E vs F to find which 1 is lighter.... |