Divide the 12 balls into 4 groups of 3's. * Z! F- x' [9 z' R% k& b7 L+ `TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Weigh group 1 & 2* s& E# R0 f o2 _
then weigh group 2 & 3 & B3 R! B( W }1 p7 F* FIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 5 c7 _" @) e8 ?2 R2 o% PIf the results are Equal & Unequal, it means the ball is in group 3. " N' X* ~, y! x# _. XIf the results are Unequal & Equal, it means the ball is in group 1. - K6 g( U" @% V! MIf the results are Unequal & Unequal, it means the ball is in group 2.os.tvboxnow.com" ~; L; |" F! g' r8 i4 Z0 \
3 c- C5 S0 Q* g% T6 z$ w: f% O3 eOnce you determine the group that contains the ball. " F5 |+ c% G% L4 H& ZSimply weigh two of the balls
發表於 2007-11-15 03:54 PM
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