first, compare 6 and another 6. they must have difference. , O8 n2 T: }" d9 d4 |! w
second, divide those 6 heavier one into two, each has 3. u will find difference again.
/ Z; F- U7 D1 p" k, x$ f$ p8 h$ J M YTVBNOW 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.tvb now,tvbnow,bttvb- u( H, Q$ J- c$ A3 s. K
so easy.... |