Question

(-7)+(-4)?
(+11)-(+3)?
(-12)+(+17)?
(-4)+(+7)?
(+1/4)+(+1/2)?
(+3)-(+8)?
(-4/22)-(-2/10)?
3+(-4)-(-6)?

Answer 1

(-7)+(-4) = -11    

(+11)-(+3) =  8

(-12)+(+17) = 5

(-4)+(+7) = 3

(+1/4)+(+1/2) = 3/4

(+3)-(+8) = -5

(-4/22)-(-2/10) = 1/55

3+(-4)-(-6) = 5