who can't figure out??????it's just basic math, primary school kid should already know it [-X$ S8 F, g( R4 R7 P- {( ]& r( b4 d
, @: U% x4 f" S& s/ C! p2 Ztvb now,tvbnow,bttvb1st: 6 vs 6, find out which side is heavier
$ M7 U$ h- X, E. f; B5.39.217.77:88982nd: from the heavy side, 3 vs 3, find out which side is heavier5.39.217.77:8898# ?" b: I# u7 G6 R5 w3 N8 @
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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