take out 10 balls and 5 in each side
, V1 T) l: z$ ~& H公仔箱論壇if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.9 g0 n! X3 u* s7 L5 n9 `
! ^! V- q8 U7 K9 S( f& g) \- `if the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.3 [ Z" i- T* X
if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
: I: j9 F# l4 m) V1 cwww3.tvboxnow.comtvb now,tvbnow,bttvb3 {7 o8 r i# o' O2 k- J
used less then 1 min to find out the answer.... |
發表於 2007-12-31 05:47 AM
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發表於 2008-1-1 08:48 AM
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