take 4 balls as a group, 3 groups - A B C公仔箱論壇+ A- ]. ]; g% C x" ^! k6 O
weigh A & B (ex. B heavier)
3 h5 J4 R0 A& A3 C/ A公仔箱論壇then weigh B & C (B & C same weight)
: s. v8 D0 s7 y- N" V' Uto find which group has the weight difference and find out is it (A is lighter)
0 z. X: `7 z0 D2 i5 [heavier or lightertvboxnow.com4 ]5 `8 ^- d5 c( J6 f, E3 E* p) U
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvboxnow.com( ?( I% P/ h1 t& r" q# L* U
measure E vs F to find which 1 is lighter.... |