Question

Calcule (a)(+15)+(+9)
(b) (-22)+(+31)
(c)(-13)+(-15)
(d)(+29)+(-15)
(e)(-36)+(+17)
(f)(+31)+(-19)​

Answer 1

Resposta:

Explicação passo a passo:

Calcule:

(a)(+15)+(+9)

= 15+9

= 24

_______________

(b) (-22)+(+31)

= - 22 + 31

= - 9

_____________

(c)(-13)+(-15)

= - 13 - 15

= - 28

________

(d)(+29)+(-15)

= 29 - 15

= 14

________

(e)(-36)+(+17)

= - 36 + 17

= - 19

__________

(f)(+31)+(-19)​

= 31-19

= 12