first, compare 6 and another 6. they must have difference.
: H# k. r2 O" J# B- o, Msecond, divide those 6 heavier one into two, each has 3. u will find difference again.
" m& U/ U4 |- PTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。third time, if u put 2 and they are equal, u will know the different one.5.39.217.77; d/ j7 U8 h5 J" N/ P' Y
so easy.... |