who can't figure out??????it's just basic math, primary school kid should already know it [-X. f: l" I+ {/ p# _% |2 J! W
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1st: 6 vs 6, find out which side is heavier5.39.217.77:8898 O; Q" z3 q' l0 B
2nd: from the heavy side, 3 vs 3, find out which side is heavier0 |9 Q! l1 w( {- k* x
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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