take 4 balls as a group, 3 groups - A B C0 s |# Y n3 q5 p; e. L& S9 ]
weigh A & B (ex. B heavier)
6 j9 A& z* ~, E. ?" W9 `tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)os.tvboxnow.com0 P! r. T3 g! ~% L9 |
to find which group has the weight difference and find out is it (A is lighter)
# n4 w/ _ G3 l0 L6 L$ B8 n i1 Jheavier or lighter
8 N, w4 M2 W- d3 q+ I; q公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇# Z9 s6 U7 z) ]( {3 j3 q% I
measure E vs F to find which 1 is lighter.... |