Question

Calcule:
a) (+ 15) + (+20).
c) (-25) + ( +27)
e) (+20) + (-20).
b) (-20) + (-12).
d) (+18) + (-10)
0 0 + (123)​

Answer 1

Resposta:

a = 35

c = 2

e = 0

b = -32

d = 8

e a ultima = 123

Answer 2

→ Cálculo :

A) ( + 15 ) + ( + 20 )

15 + 20

35

C) ( - 25 ) + ( +27 )

-25 + 27

2

E) ( + 20 ) + ( - 20 )

20 - 20

0

B) ( - 20 ) + ( - 12 )

-20 - 12

-32

D) ( + 18 ) + ( - 10 )

18 - 10

8

E)  0 + ( 123 )​

0 + 123

123