take 4 balls as a group, 3 groups - A B C5.39.217.77* t) h# p. C) C0 h: k7 C* ?9 F" Q
weigh A & B (ex. B heavier)5.39.217.77* j8 O, @! { N4 l* n+ G. s! D {! B
then weigh B & C (B & C same weight)
6 D+ q& j/ r6 e5 p3 h$ J( Wto find which group has the weight difference and find out is it (A is lighter)公仔箱論壇0 X& [% v6 X3 b
heavier or lighter公仔箱論壇4 ]; M6 B1 p' n; N% `; ^
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
, L- t) i- c* d- q4 A3 ~9 h3 ^5.39.217.77measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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