who can't figure out??????it's just basic math, primary school kid should already know it [-X公仔箱論壇$ z1 o: R' V) p/ O" h% {. d
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1st: 6 vs 6, find out which side is heavier4 f7 b$ q" t! q i- ^
2nd: from the heavy side, 3 vs 3, find out which side is heavier
( D3 n. ?' k' \) s3rd: 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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