this one is really simple, i think divide it as half (6-6), I9 i& [8 N# ]( Z% V
weigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heavier
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weigh 3-3 of the other group (2nd chance)公仔箱論壇1 }3 s% m+ @0 N5 U
then weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |