GAMESYTGO GAMESYTGO Matemática Respondido 8 – Calcule: a) –13 + 46 + 13 – 46 = b) 98 – 65 – 87 + 95 = c) 77 – 66 + 22 + 55 = d) ( + 3 ).( + 3 ).( - 3 ).( - 3 ) = e) ( - 1 ) . ( -12 ) . ( + 57 ) = f) ( – 12 ) : ( – 3 ) = g) ( – 48 ) : ( + 6 ) =
