Question

Usando as regras dos sinais, reponda:
a) 12-10= b) -8-4-3=
c) -10: (-5)= d) –15-(-5)=

Answer 1

Resposta:

a) 12-10=2

b) 8-4-3=1

c)10:(-5)=2

d) -15-(-5)=-20