this is too easy!!公仔箱論壇% C4 V) }! h, r0 e$ K+ b$ l
& {) v7 J: H' J1 k; N8 w0 j! L7 F
1. put 6 at each side.. take the one side which is heavier
f( Q9 Y) W- u2. put 3 at each side.. also take the heavier side( N( b5 c2 Q3 j% ]+ P5 W' J
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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