who can't figure out??????it's just basic math, primary school kid should already know it [-X5.39.217.77:8898 _: z1 m6 `& [+ L
" c0 H. V1 A" r* C6 D! d9 v; S1st: 6 vs 6, find out which side is heaviertvb now,tvbnow,bttvb- k: h( c( Z! d; w/ {
2nd: from the heavy side, 3 vs 3, find out which side is heavier
, D: Q. F! g" ^( \8 R5.39.217.77:88983rd: 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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