Question

3) Efetue as operações

A-) (-5)+(-3)=

B-) (+7)+(+2)+(-8)=

C-) (+15)+(-1)+(-7)=

D-) (+8)+(+3)+(-10)=

E-) (-5)-(-3)=

F-) (+5)+(0)-(-5)=

G-) (-12)-(+3)-(-20)=

H-) (-5)+(-8)-(+5)=

Answer 1

A-)-8
B-)1
C-)7
D-)1
E-)-2
F-)0
G-)5
H-)18

Answer 2

a)(-5)+(-3)
-5-3
-8



b)(+7)+(+2)+(-8)
7+2-8
1



c)(+15)+(-1)+(-7)
15-1-7
15-8
7




d)(+8)+(+3)+(-10)
8+3-10
11-10
1




e)(-5)-(-3)
-5+3
-2



f)(+5)+(0)-(-5)
+5+5
10



g)(-12)-(+3)-(-20)
-12-3+20
-15+20
5


h)(-5)+(-8)-(+5)=
-5-8-5
-18