Question

Me pueden ayudar pliss es urgente

Answer 1

A)-13
B) -2
C) 12
D) 23
E) -10

Answer 2

Explicación paso a paso:

a) 5-[7-2-(-8)-3+12]+4

5-[7-2+8-3+12]+4

5-[22]+4

5-22+4

-13

b)1-(-3+6+1)-[4-(6-3+1)-2]

1-(4)-[4-(4)-2]

1-4-[4-4-2]

1-4-[-2]

1-4+2

-1

c)6-(-9+7-1)-[3-(-5+4+6)-1]

6-(-3)-[3-(5)-1]

6+3-[3-5-1]

9-[-3]

9+3

12

d)28-[21-(12-3)-7]

28-[21-(9)-7]

28-[21-9-7]

28-[5]

23

e)[-2+3(2-5):3]-[(3-5+2)-2(3-4)]

[-2+3(-3):3]-[(0)-2(-1)]

[-2-9:3]-[2]

[-2-3]-2

-5-2

-7