Question

2 Resuelve.
a) 19 – (-3) - [5 - (+8)]
c) 12 + (-5): [(-9) + 8]
b) (-2) · [(4) -(-6)] - 9
d) (31 - 9): [2 - (-9)]​

Answer 1

Respuesta:

Explicación paso a paso:

a) 19 – (-3) - [5 - (+8)] =

19+3-[-3]=19+3+3=25

---

c) 12 + (-5): [(-9) + 8] =

7: [-1]=-7

---

b) (-2) · [(4) -(-6)] - 9 =

(-2)*[10]=-20

----

d) (31 - 9): [2 - (-9)]​=

22:[11]=2