2019 AIME I Problems/Problem 1: Difference between revisions
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==Problem 1== | |||
What is the sum of the digits of <math>9+99+999+...+99..99</math> (321 9's)? | |||
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Revision as of 21:21, 14 March 2019
Problem 1
What is the sum of the digits of 
(321 9's)?
| 2019 AIME I (Problems • Answer Key • Resources) | ||
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