3 years ago

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

Mathematics

2 answers:

Aneli [31]3 years ago

6 0

Answer:

20100

Step-by-step 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.

Dmitriy789 [7]3 years ago

4 0

Answer: 206

Step-by-step explanation:

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