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Counting Principles

Pro Problems > Math > Statisics and Probabilities > Counting Principles
 
 

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Slips of paper with digits and letters are drawn from baskets, with 161 possible results
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161 - Digits and Letters, Andy and Roger, Borders, Building a Burger, Burgers and Condiments, Buttons and Levers, Guitar Pickin', How Many Arrangements?, Making License Plates, STOPS!, Thanksgiving Dinner, Tic Tac Toe Grid, Twelve Days of Christmas
 

Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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