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What is the largest three-digit multiple of 9 whose digits' sum is 18?

 Oct 20, 2021
 #1
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Just a wild guess, 990? 

 Oct 20, 2021
 #2
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Yes, that's right,

 

and when the question is "What is the smallest three-digit multiple of 9 whose digits' sum is 18", it would be 189, I guess.

 

Straight

 Oct 21, 2021

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