Question

Calcule a soma: a) (+11) + 9 b) 0 + (-13) c) (+28) + (+2) d) (-34) + (-3) e) (-8) + (-51) ?​

Answer 1

→ Cálculo :

A) ( + 11 ) + 9

11 + 9

20

b) 0 + ( - 13 )

0 - 13

-13

C) ( + 28 ) + ( + 2 )

28 + 2

30

D) ( - 34 ) + ( - 3 )

- 34 - 3

-37

E) ( - 8 ) + ( - 51 )

- 8 - 51

-59