take 4 balls as a group, 3 groups - A B C' \: p/ a3 O9 X8 o& d8 D9 x. s
weigh A & B (ex. B heavier), [ I1 [5 k2 x2 ~4 X3 G
then weigh B & C (B & C same weight)
: l. W# c3 ^) [" H4 ato find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb7 P8 a) s) E" E# i5 U
heavier or lighter
7 P! W3 ? Z$ R& z# ^www3.tvboxnow.comthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)% B: O* ^$ v& I' w; O$ D; r
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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