first, compare 6 and another 6. they must have difference. 5.39.217.77:8898( G; t: p! u+ u% o6 ~1 u" [4 M
second, divide those 6 heavier one into two, each has 3. u will find difference again.5.39.217.77:8898) j F. n5 s9 w2 }$ O" m
third time, if u put 2 and they are equal, u will know the different one.
' J0 @, J* A, n |so easy.... |