Divide the 12 balls into 4 groups of 3's. 0 |, t' I! U7 X; Z4 Z公仔箱論壇Weigh group 1 & 2 " x5 `( t/ D a9 _6 A7 d! q公仔箱論壇then weigh group 2 & 3 5 |* D- w2 [- btvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇. S7 g/ _1 x. J" }/ K- I
If the results are Equal & Unequal, it means the ball is in group 3.www1.tvboxnow.com* o/ Y- g& f" Q! g0 s8 S. P
If the results are Unequal & Equal, it means the ball is in group 1.www1.tvboxnow.com" h0 \$ I4 U& T/ t: D# d$ F% D: W
If the results are Unequal & Unequal, it means the ball is in group 2.% Q+ N/ g; ~9 x# {7 f+ ~
+ E9 H' x8 h. }! nOnce you determine the group that contains the ball.. B( _& P6 ]8 U& w) x! y% R: `
Simply weigh two of the balls
發表於 2007-11-15 03:54 PM
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