Question

resolva as expressao numericas
A) (45-9)/(-30+21)+(-8)=
b) (-6)-(-32-22)/(19-10)=
c) 0+(4,29)=
d)(-5,8)+(5,8)=

Answer 1

A)45-9/-30+21 -8
36/-9 -8
-4-8=-12

B)-6-(-32-22)/19-10
-6-(-54/9)
-6-(-6)
-6+6=0

C)0+4,29= 4,29

D)-5,8+5,8=0