take 4 balls as a group, 3 groups - A B C }) E" T8 E6 E4 d. h( @& D
weigh A & B (ex. B heavier)& `# s1 `# C- P+ }: S5 A
then weigh B & C (B & C same weight)
v- \' g+ _4 n3 C2 Yto find which group has the weight difference and find out is it (A is lighter)
. o% V8 e6 i, |6 S9 @/ Kheavier or lighter
& D: ~+ n& I# M" u! O! m5.39.217.76then 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。+ U: y: Z! _* h4 m \0 e3 B
measure E vs F to find which 1 is lighter.... |