How many positive integers less than 1,000,000 have ex- actly one digit equal to 9 and have a sum of digits equal to 13?

asked Mar 8, 2018 170k views

1 vote

by Mgd

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3 votes

In one million there are 420 positive numbers with the sum of their digits equal to 13 and with one digit equal to 9

Sahan answered Mar 11, 2018

by Sahan

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asked Jul 23, 2021 17.8k views

Lithy asked Jul 23, 2021

by Lithy

7.5k points

1 answer

1 vote

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