Question

1) Calcule:
a)-12-4-5 +25 =
b) (-6) x ( -9) =
c) (-9) x ( -5) + ( +7) x( -10)=
d) (-90) + (-10) =​

Answer 1

Resposta:

a)28 b)54 c)25 d)100 prontooooooooo