who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇" V6 ~: D1 l. {1 l9 q$ b( ?
9 m- D0 m. L; W' R" s5 Q" Z6 o5 {7 t1st: 6 vs 6, find out which side is heaviertvb now,tvbnow,bttvb& H" p- V: A8 V" Q2 }
2nd: from the heavy side, 3 vs 3, find out which side is heaviertvb now,tvbnow,bttvb: K& v h+ _ d1 l" 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 2007-2-25 09:20 PM
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發表於 2007-2-27 09:08 PM
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