Question

D) (+5)+(+20)=
E) (+2)+(-12)=
F) (-15)+(+9)=

SO MAIS ESSA PFVR :-:​

Answer 1

$d)( + 5) + ( + 20) = 25$

$e)( + 2) + ( - 12) = \\ 2 - 12 \\ 10$

$f)( - 15) + ( + 9) = \\ - 15 + 9 \\ - 6$