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Find the sum of the integers 1 - 25

Sagot :

Answer:

325

Step-by-step explanation:

Here, we will not only tell you what the sum of integers from 1 to 25 is, but also show you how to calculate it fast. The sum of the integers from 1 to 25 is 325.

To get the answer above, you could add up all the digits like 1+2+3... +25, but there is a much easier way to do it! Use the following formula:

n(n + 1)/2 = Sum of Integers