Question

2) Etetue as operages abairo
a) +10)+(-7)
b) (+1)+5
c) -3)-(+2)
d) +(-5)+(-8)
e) +(-9)+(-10)+8
f) +(-2)-(-4)+(-1)​

Answer 1

Resposta:

a) 10+(-7)

10-7

3

b) (1)+5

6

c) (-3)-(2)

(-3)-2

-5

d) +(-5)+(-8)

-5-8

-13

e) +(-9)+(-10)+8

-9-10+8

-19+8

-11

f) +(-2)-(-4)+(-1)

-2+4-1

-3+4

1