Question

CALCULA

A. ( 2-10 ) + [5-(8 + 2)]=??

B. ( 12 - 3 ) - [ 1 - ( 2 - 6 )]=??

C. [ 9 - (+ 5 )] + [ 7 + (-10)]=??

AYUDA?

Answer 1

Respuesta:

Explicación paso a paso:

a.( 2-10 ) + [5-(8 + 2)]

-8+(5-10)

-8+(-5)

-8-5=-13

b.( 12 - 3 ) - [ 1 - ( 2 - 6 )]

9-(1-(-4))

9-(1+4)

9-5=4

c. [ 9 - (+ 5 )] + [ 7 + (-10)]

(9-5)+(7-10)

4+(-3)

4-3=1