who can't figure out??????it's just basic math, primary school kid should already know it [-X
6 g7 u# V! Q6 l) D, W5.39.217.77
3 I. m: r# ~+ N0 e" HTVBNOW 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。1st: 6 vs 6, find out which side is heavier
' \/ E2 f( K# p4 j) x2nd: from the heavy side, 3 vs 3, find out which side is heavier
7 N* P. E7 S% ~$ M* a Y/ M3rd: choose 2 out of 3 from the heavier side, if they weight the same, the 1 left is the one, if not, u can see it right away the heavier ball is on the 天秤 |