take 4 balls as a group, 3 groups - A B C公仔箱論壇* D+ w# \$ X! L+ J, Z
weigh A & B (ex. B heavier)
* S i- ^- q6 Y* d6 d1 A7 P' ^tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
$ ]+ t1 p/ j; 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)
9 G& z" j5 y; a9 f/ ?公仔箱論壇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。( E" [) \, `* R) O- p4 ?
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
. b3 K# Z/ n& e6 P, H6 ]9 J- g$ `6 i0 i公仔箱論壇measure E vs F to find which 1 is lighter.... |