Question

a) 6 + [5 + (7 + 2)] =
b) 8 + [4 – (3 + 5)] =

c) 10 – [6 + (2 + 7)] =
d) 15 – [2 – (6 – 10)] =

Answer 1

Respuesta:

A=6+[5+9]

=6+14

=20

B=8+[4-(8)]

=8+[4-8]

=8+[-4]

=4

C=10-[6+9]

=10-15

=-5

D=15-[2-(-4)]

=15-[6]

=9

Answer 2

Respuesta:

a. 20

b. 4

c. -5

d. 9

Explicación paso a paso:

espero te sirva(: