take 4 balls as a group, 3 groups - A B C
8 W# c: ]5 Q( v7 B5.39.217.76weigh A & B (ex. B heavier)
3 N, f0 e( q+ I' j& _2 F. Sthen weigh B & C (B & C same weight)5 q" F, B( Z7 o% B: f v' H
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb7 s. m8 f1 d: Q! d2 ~
heavier or lighter
% e- ^! ]7 A9 P/ u2 Y) wTVBNOW 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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 G3 i( X1 F2 o0 L1 h. W4 ~公仔箱論壇measure E vs F to find which 1 is lighter.... |