take 4 balls as a group, 3 groups - A B C
8 _; m9 c* w. u: n$ m6 r! Wweigh A & B (ex. B heavier)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。- x+ v, r, e: Y
then weigh B & C (B & C same weight)公仔箱論壇2 b* o5 I) F) Y- T1 H
to find which group has the weight difference and find out is it (A is lighter)
) U8 a, u _% Y; N# f& xheavier or lighter
- U) D2 O% y! q* wthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)6 n4 k& L9 ?# h. f: \
measure E vs F to find which 1 is lighter.... |