原帖由 stupid818 於 2008-4-17 11:42 PM 發表 tvb now,tvbnow,bttvb& l0 A4 ^5 N. {' B, g5 d
first, compare 6 and another 6. they must have difference.
# o) Q3 r5 {- Dsecond, divide those 6 heavier one into two, each has 3. u will find difference again.5.39.217.77:8898; E" G& `6 X8 H& @
third time, if u put 2 and they are equal, u will kno ... + `# Y7 G7 v" F' s( Q3 c
tvb now,tvbnow,bttvb4 w( s7 l& g- r
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |