take 4 balls as a group, 3 groups - A B C公仔箱論壇- Q) a' N* A' F0 Q" ?! c: t* [
weigh A & B (ex. B heavier)5.39.217.762 }, p6 L o! L5 f! k4 D7 J/ h
then weigh B & C (B & C same weight)
) q0 q8 A( {) S1 s2 G1 Vto find which group has the weight difference and find out is it (A is lighter)
! v$ C- O8 ?% H' B2 `9 Eheavier or lighter _" M j: s2 W* P# t
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
2 Z; @& ^) n1 U0 t$ |% d+ [5.39.217.76measure E vs F to find which 1 is lighter.... |