Question

a) (+3)+(-2)+(-5)=
b)(-2)-(+1)-(+5)=
c)(+4)+(-2)-(+3)=
d)(+5)-(-3)-(-1)=
e)(+4)+(-6)-(+7)-(-6)+(+7)=
f)(-3)-(-5)+(-6)+(+8)-(-4)=
g)+(-3+8)-(-3+8)+(5-6)
H)-(-3-1)-(-6+4-1)-6-(-3+2)=
I)18-(-5-2-3)+20-(-6+8)-(-1-8+3)=
J)-32-1-(-12+14+7)+(-5-6-9+3)-17=

Answer 1

Resposta:

a) (+3)+(-2)+(-5)=

3 - 2 - 5

1 - 5

-4

b)(-2)-(+1)-(+5)=

-2 - 1 - 5

-3 - 5

-8

c)(+4)+(-2)-(+3)=

4 - 2 - 3

2 - 3

-1

d)(+5)-(-3)-(-1)=

5 + 3 + 1

8 + 1

9

e)(+4)+(-6)-(+7)-(-6)+(+7)=

4 - 6 - 7 + 6 + 7

-2 - 1 + 7

-3 + 7

4

f)(-3)-(-5)+(-6)+(+8)-(-4)=

-3 + 5 - 6 + 8 + 4

2 + 2 + 4

4 + 4

8

g)+(-3+8)-(-3+8)+(5-6)

-3 + 8 + 3 - 8 + 5 - 6

5 - 5 - 1

0 - 1

-1

H)-(-3-1)-(-6+4-1)-6-(-3+2)=

3 + 1 + 6 - 4 + 1 - 6 + 3 - 2

4 + 2 - 5 + 1

6 - 4

2

I)18-(-5-2-3)+20-(-6+8)-(-1-8+3)=

18 + 5 + 2 + 3 + 20 + 6 - 8 + 1 + 8 - 3

23 + 5 + 26 - 7 + 5

28 + 19 + 5

47 + 5

52

J)-32-1-(-12+14+7)+(-5-6-9+3)-17=

-32 - 1 + 12 - 14 - 7 - 5 - 6 - 9 + 3 - 17

-33 - 2 - 12 - 11 - 6 - 17

-35 - 13 - 23

-48 - 23

-71