SOLUTION: what is the sum of all integers between -25 and +26

Question 637371: what is the
sum of all integers between -25 and +26

Found 2 solutions by Tatiana_Stebko, ewatrrr:
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
The sum is 26
because -25+25=0
-24+24=0 etc
++
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
{-25, ...26} Arithemetic Sequence, d = 1 and
, n = 52

0r

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