Question

05. Resolva as operações abaixo:
a) (-5)+[(+3)-(+9)]+(+5)=
B)[(-3)-(+6)+(+2)]-(+5)=
c) (-5)+(+7)-[(-6)+(+13)]=
d) (-11)+{[(-1) - (+10)]+(-3)}=

Answer 1

A)  -5+(3-9)+5

-5-6+5

-6

B) -3-6+2-5

-9-3

-12

C) -5+7-(-6+13)

2-7

-5

D) -11+(-1-10-3)

-11-14

-25

Answer 2

a)-5+[3-9]+5= -6

b) [-3-6+2]-5=

  -9+2-5=  -12

c)-5+7-[-6+13]=

  -5+7-[ 7 ]=

-5+7-7=   -5

d) -11+{[-1-10]-3}=

-11+{-11-3}=

-11-14= -23