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3 votes
What is 1 plus 2 plus 3.... plus 200?

2 Answers

4 votes

Answer: 206

Explanation:

User DMabulage
by
5.6k points
5 votes

Answer:

20100

Explanation:

There are 200 numbers in this addition problem. To add this, we can do 1 + 200, 2 + 199, 3 + 198 and so on. All of these pairs have a sum of 201 and since there are 200 / 2 = 100 pairs the answer is 201 * 100 = 20100.

User Jdw
by
5.3k points