Question

d) [10 – (–2)] – [5 – (+12)] =
e) [8 – (6 + 4)] – (5 – 7) =
f) [1 + (6 – 9)] – (8 – 12) =
POR FAVOR ES URGENTE

Answer 1

Explicación paso a paso:

d) [10 – (–2)] – [5 – (+12)]

[10+2]-[5-12]

[12]-[-7]

12+7

19

e) [8 – (6 + 4)] – (5 – 7)

[8-(+10)]-(-2)

[8-10]+2

[-2]+2

-2+2

0

f) [1 + (6 – 9)] – (8 – 12)

[1+(-3)]-(-4)

[1-3]+4

[-2]+4

-2+4

2