who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇4 O# ^2 n4 O, t, e* W9 e4 e- r
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1st: 6 vs 6, find out which side is heavier
1 X# ~6 W* X2 n7 k. s$ c公仔箱論壇2nd: from the heavy side, 3 vs 3, find out which side is heavier
8 B. S s4 b: L公仔箱論壇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 |
發表於 2007-2-27 03:20 PM
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