Question

5) efetue :

A) (+4) + (-10) =

C) (+5) - (-6) =

B) (+9).(-3).(-2) =

D) (-200) : (+5) . (-3) =

Answer 1

A) +4 - 10 = -6

C) +5 + 6 = +11

B) - 27 .(-2) = + 54

D) - 40 . (-3) = + 120