Question

calcule as expressões
a)10:5-4=
b)(-3)+12:4=
c)(-2)+3•5-12:6=
d)(-16):4•(-4)=
e)4•8:(-2)=
f)(-8)(-4)-10•3=
g)5•(-4)-3=
h) (-4)•6+20•(-1)=
i) (-8)•(-4)-10•3=
​

Answer 1

a)10:5-4=  2-4= -2

b)(-3)+12:4= -3+3=0

c)(-2)+3•5-12:6= -2+15-2=  13-2=11

d)(-16):4•(-4)=  -4*(-4)= 16

e)4•8:(-2)=  32/-2= -16

f)(-8)(-4)-10•3= 32-30=2

g)5•(-4)-3= -20-3= -23

h) (-4)•6+20•(-1)= -24-20= -44

i) (-8)•(-4)-10•3= 32-30= 2

​

Answer 2

Resposta:

Explicação passo-a-passo:

a)10:5-4=

=2 - 4

= - 2

________

b)(-3)+12:4=

= - 3 + 3

= 0

_________

c)(-2)+3•5-12:6=

= - 2 + 15 - 2

= 15 - 4

= + 11

________

d)(-16):4•(-4)=

= -4.(-4)

= + 16

___________

e)4•8:(-2)=

= 32: (-2)

= - 16

_________

f)(-8)(-4)-10•3=

= 32 - 30

= + 2

_________

g)5•(-4)-3=

= - 20 - 3

= - 23

__________

h) (-4)•6+20•(-1)=

= - 24-20

= - 44

i) (-8)•(-4)-10•3=

= + 32 - 30

= + 2