Question

1- Elimine os parênteses das expressões abaixo:
A)-(-9+2-6)=
B)+(-3-2-1)=
C)-(-6-2)-(+1)=
D)-(+9+9)-(-9)=
É)-(-6)=
F)+(-6-6+8)=
G)-(+4-8)=
H)-(-6-7)=
I)+(+6+1)=

2- Resolva as expressões:
A)-(-8+2)+(-6-7)=
B)-(+4-2)+(-8+12)=
C)-(-6-5)-(-4-3)=
D)-(-6)+(-5-3)-(-1)=
É)-(-49+53)=
F)-(-6-3)-(-1)=
G)-(-7+2)-(-8)=
H)-(-5)-(-6)=

Answer 1

Resposta:

A)-(-9+2-6)= 13

B)+(-3-2-1)= -6

C)-(-6-2)-(+1)= -5

D)-(+9+9)-(-9)= -9

É)-(-6)= 6

F)+(-6-6+8)= 8

G)-(+4-8)= -4

H)-(-6-7)= 13

I)+(+6+1)= 7

A)-(-8+2)+(-6-7)= -7

B)-(+4-2)+(-8+12)= 2

C)-(-6-5)-(-4-3)= 18

D)-(-6)+(-5-3)-(-1)= -1

É)-(-49+53)= -4

F)-(-6-3)-(-1)= 10

G)-(-7+2)-(-8)= 13

H)-(-5)-(-6)= 11