Browse · harp Print → jmc prealgebra junior Problem What is the value of 1+3+5+⋯+2017+2019−2−4−6−⋯−2016−2018? (A) −1010 (B) −1009 (C) 1008 (D) 1009 (E) 1010 Solution — click to reveal Rearranging the terms, we get (1−2)+(3−4)+(5−6)+...(2017−2018)+2019, and our answer is −1009+2019=1010. Final answer E ← Previous problem Next problem →