You hav 5 balls , find out which is heavier within two weighs?
or:You hav 5 balls , find out which is heavier within two weighs?or:i think the 3 balls are much heavier than the 2 balls
or:You hav 5 balls , find out which is heavier within two weighs?
or:i think the 3 balls are much heavier than the 2 balls
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