Question

Resolva as expressões:
a) (-7+3) +2+ (-3-2):(-5)+(-4)
b) 8-[-4+(-3+5) - (-2-8)]
c) -(-7-10)+(4-3)
d) -(1+12) + (-9+2)-(8-13)
e)(-5+4)-(17+6)(-7+2)
f)(32-60+96) ÷4
g)(32+5-70-7)÷8

Answer 1

Explicação passo-a-passo:

a) (-7+3) +2+ (-3-2):(-5)+(-4)

(-4)+2+(-5)÷(-5)+(-4)

-4 +2 +1 -4

-2 -3

-5

b) 8-[-4+(-3+5) - (-2-8)]

8-[-4+(+2)-(-10)]

8-[-4+2+10]

8-[-2+10]

8-[+8]

8-8

0

c) -(-7-10)+(4-3)

-(-17)+(+1)

+17+1

+18

d) -(1+12) + (-9+2)-(8-13)

-(+13)+(-7)-(-5)

-13-7+5

-20+5

-15

e)(-5+4)-(17+6)(-7+2)

(-1)-(+23).(-7+2)

-1 -(23).(-5)

-1 +115

+114

f)(32-60+96) ÷4

(32+36)÷4

(68)÷4

16

g)(32+5-70-7)÷8

(37-77)÷8

(-40)÷8

-5