Question

resolva:
a) (+35) + (-21) =

b)(-50) - (+16) =

c) (-15) - (-18) + (+23) = ajuda ae glr pfvrr

Answer 1

(+35) + (-21)=
=35-21
=14




(-50)-(+16)=
=-50-16
=-66



(15)-(-18)+(+23)=
=15-18+23
=20