Problem

2006 AMC 10A Problem 21

How many four-digit positive integers have at least one digit that is a 2 or a 3?

\textbf{(A) } 2439\qquad\textbf{(B) } 4096\qquad\textbf{(C) } 4903\qquad\textbf{(D) } 4904\qquad\textbf{(E) } 5416


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Problem Tags: Counting and probability

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