take 4 balls as a group, 3 groups - A B C公仔箱論壇) X' f0 @1 k. H+ a6 }
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb, y6 h5 }0 R; O& V5 \
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb0 @' U* C0 c9 Q; W
to find which group has the weight difference and find out is it (A is lighter)
, ` K$ H5 C) @3 Aheavier or lighter
0 I( Z- m/ [% G" v+ Gthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
$ @4 Y6 X9 w+ c; r( ?; H( m( ]; p2 ~tvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |