who can't figure out??????it's just basic math, primary school kid should already know it [-XTVBNOW 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。% U h& y ~8 E& S X- _3 e% Q/ X; {
公仔箱論壇! G2 f! b, z, x& B
1st: 6 vs 6, find out which side is heavier W8 y4 N, G! P+ R% L5 h
2nd: from the heavy side, 3 vs 3, find out which side is heavier' N; ~+ Z* ^9 P' l5 W' B
3rd: 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 |