Question

resolva as expressões : a) 6 : ( -2 ) + 2 . ( - 3 ) - 20 : ( - 5) =

Answer 1

6 : ( -2 ) + 2 . ( - 3 ) - 20 : ( - 5)
-3 - 6  + 4
-9 +4
-5

Resposta : -5

Answer 2

6 : ( -2 ) = -3
2 . ( - 3 ) = -6
20/(-5) = -4

----------------------------------

-3 + (-6) - (-4)

- 3 - 6 + 4

- 9 + 4 = - 5