who can't figure out??????it's just basic math, primary school kid should already know it [-X5.39.217.77, F9 p0 j& e9 K y3 T5 k
7 w* s$ ^! ]# Z, u, V公仔箱論壇1st: 6 vs 6, find out which side is heavier公仔箱論壇) m0 _! l* R+ ?3 R
2nd: from the heavy side, 3 vs 3, find out which side is heavier
( Z' D, u5 y% c4 X4 _3 q0 k9 d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 2007-2-25 09:20 PM
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發表於 2007-2-27 09:08 PM
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