229k views
5 votes
What is the sum of the digits of all 2-digit numbers from 10-99?

User Fresko
by
6.1k points

2 Answers

7 votes
this took forever to do but 176879
User Shuiyouren
by
6.8k points
5 votes
Huh, well the sum is just adding the numbers together, so the answer is 4905.
User Dara Kong
by
6.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.