Question

Resolva as expressões:
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)

Answer 1

A) 1

B)-2

C)-5

D)0

E)39

F)11