Question

a. -4- (+24):(+1-9)-(-1-2)
b. +7+ (-5):(-7+2)-(+1-6)
c. -6-[+7-(+1).(-1)]
d. +7+[+1 -(+10):(+5)]

Answer 1

Explicación paso a paso:

a. -4- (+24):(+1-9)-(-1-2)=

-4(-24):(-8)+3=

- 4+3+3=

2

b. +7+ (-5):(-7+2)-(+1-6)=

7(-5):(-5)-1+6=

7+1-1+6=

13

c. -6-[+7-(+1).(-1)]

- 6-[+7+1]=

- 6-7-1=

- 14

d. +7+[+1 -(+10):(+5)]

7+[+1-2]=

7+1+2=

10