take 4 balls as a group, 3 groups - A B C- r) a. J J4 L2 u* A( k
weigh A & B (ex. B heavier)
& P4 v0 p# D/ K2 R- L+ f+ Othen weigh B & C (B & C same weight)os.tvboxnow.com7 @+ z) L9 M6 ?% [$ |8 p4 c6 V, `8 @
to find which group has the weight difference and find out is it (A is lighter)
' }. |; I9 b. Mos.tvboxnow.comheavier or lightertvb now,tvbnow,bttvb3 D% }6 @+ ?4 S% I* t" [
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)6 S+ i$ P# w5 S I Q
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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