who can't figure out??????it's just basic math, primary school kid should already know it [-X5.39.217.77:8898, g' R6 V& o4 j9 L$ F( V E
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1st: 6 vs 6, find out which side is heavier+ Z+ ~& Q4 M& }* v! l& l4 p6 Y+ V
2nd: from the heavy side, 3 vs 3, find out which side is heavier5.39.217.77:8898+ A1 y* a$ M2 g6 y3 ? \/ t
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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