Question

a) 81 + (-20). (+4)=
b)(-4).(-7)- 30
c) – 23 - (-6).(+3)=
d)(-9).(+6) - (+2).(-27)
e) 19-(-4).(+5)=
f) 7.(-3)-9.(-6) + 11.(-2)=
g) (+5).(+11)-37-(-2).(+4)=
h) 112 - 4.(-5 )2 + 100 =
i)18+3+(√81-8)=
j)4³+√64-(10+25√)=

Quem puder responder, muito obrigado.​

Answer 1

Resposta:

a) 81 + (-20). (+4)= -161

b)(-4).(-7)- 30= -2

c) 23 - (-6).(+3)= -5

d)(-9).(+6) - (+2).(-27)= -108

e) 19-(-4).(+5)= -1

f) 7.(-3)-9.(-6) + 11.(-2)= -11

g) (+5).(+11)-37-(-2).(+4)= -10

h) 112 - 4.(-5 )2 + 100 = xxxx

i)18+3+(√81-8)= 22

j)4³+√64-(10+25√)= xxxx