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Classes! REX! Politics! Science! (Vlog and a Riddle) You have 2012 jars of 1-kg mollusks, with 2012 1-kg mollusks in each jar....
a riddle for today:
You have 2012 jars of 1-kg mollusks, with 2012 1 ... . How can you identify the jar of empty mollusk shells by performing only ...
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There are two solutions. The meaning of