原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
3 @$ p% k; q" h% K5 Efirst, compare 6 and another 6. they must have difference.
1 K3 M% J3 J) ?8 S0 e/ ]# C/ Xtvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.
$ u9 k m0 K* w5.39.217.76third time, if u put 2 and they are equal, u will kno ... + A9 d1 B" v; [
/ X% T+ s1 g1 V9 x' y0 T. jbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |