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avatar+93 

what is the sum of all the integers from -100 to 98? (a variable is not needed)

 Sep 13, 2021
 #1
avatar+36430 
+2

-199           all of the negatives from -98 to -1 cancel out the positives from 1 to 98     and you only have   -100 + -99 = -199  

 Sep 13, 2021

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