first, compare 6 and another 6. they must have difference. os.tvboxnow.com" ?8 B5 V \9 B$ D5 a, W$ A
second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇0 v, ~+ Z c+ B+ M6 X& b1 p- \5 D
third time, if u put 2 and they are equal, u will know the different one.os.tvboxnow.com* S# m" `& V4 m3 q# [
so easy.... |