who can't figure out??????it's just basic math, primary school kid should already know it [-X
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% f6 z. A3 N; P6 w+ j; W4 rTVBNOW 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 heavier5.39.217.76* @* R( `& b4 W6 u
2nd: from the heavy side, 3 vs 3, find out which side is heavier
1 N9 O: d' w1 F. F5.39.217.763rd: 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 |