Math Olympiad Contest Problems for Elementary and Middle Schools # 145 @MrMathExpert
Math Olympiad Contest Problems for Elementary and Middle Schools # 145 @MrMathExpert
Uploaded May 2024 | Updated September 2026, 1 week ago
A printer has to number the pages of a book from 1 to 189. Suppose the printer uses a separate piece of type for each digit in each number. How many pieces of type will the printer have to use?

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Math Olympiad Contest Problems for Elementary and Middle Schools # 145

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