SOLUTION: Joseph wrote down the numbers from 1 to 100 on a piece of paper and then correctly added up all the individual digits of the numbers. What sum did he obtain?

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Question 1136051: Joseph wrote down the numbers from 1 to 100 on a piece of paper and then correctly added up all the individual digits of the numbers. What sum did he obtain?
Answer by addingup(3677) About Me  (Show Source):
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[100(100+1)]/2 = 5050