Given 1000 cows and 10 pens, you want to arrange the cows in the pens such that any number of cows from 1 to 1000 can be obtained by opening certain pens and taking all the cows in those pens. How do you arrange the cows in the pens?(adsbygoogle = window.adsbygoogle || []).push({});

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# Math Riddle Help!

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