Question

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

Answer 1

Explicación paso a paso:

a. 19+3+3= 25

b. -2×2 -9=

-4 -9= -13

c. 12-5 ÷ -1 =

7÷ -1= -7

d. 31-9 ÷ 11=

22÷11= 2

Answer 2

Respuesta:

A

$19 + 3 - (5 - 8) = 19 + 3 - 5 + 8 = 30 - 5 = 25$

B

$( - 2) \times ( - 4 + 6) - 9 = + 8 + ( - 12) - 9 = 8 - 12 - 9 = 13$