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Number Theory

Pro Problems > Math > Number and Quantity > Number Theory
 
 

Featured Pro Problems

Without a calculator find a nine digit number that meets the criteria of the problem
A math problem involving Shrek wanting Fiona's telephone number
Strings of red lights and green lights on my Christmas tree - a Christmas word problem
A diophantine equation - quadratic in two variables
Use divisibility rules to determine the number with missing digits
Given two pieces of information about the three digit number, determine all possible values.
Solve an algebra problem involving a defined binary operation (the hashtag or pound symbol)
Find the sum of two binary numbers, write the answer in base ten
 
 

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Crossing Out Numbers, How many zeroes?, Nine Digit Number, Pyramid of Blocks
 

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