Question

Elimine os parenteses

a) - (+9)=

b) + (+7) =

C) - (-9) =

d) + (-12) =

e) (+11) =

f) +(-13 ) =

g) - ( 16 ) =

h) (-8)

1)- (-15)=

D) -(+25) =

k) (-14)=

D- (-21) =​

Answer 1

-9

+7

+9

- 12

+11

- 13

-16

-8

+15

-25

-14

+21