Question

4 – Calcule as Multiplicações:
a) (- 8 ) . ( + 3) =
b) ( +9) . ( - 6) =
c) ( - 12) . ( - 8) =
d) ( + 5) . (+ 11) =


5 – Calcule as Divisões:
a) (- 16) ÷ ( + 4) =
b) ( +9) ÷ ( - 3) =
c) ( - 12) ÷ ( - 2) =
d) ( +25) ÷ (+ 5) =


6 – Calcule as Expressões:
a) 5 + 6 . 4 - 10 . 3 =
b) 5 . 7 – 12 ÷ 2 + 5 =

Answer 1

Explicação passo-a-passo:

a)-24

b)-54

c)96

d)55

5-

a)-4

b)-3

c)6

d)5

6-

a)-1

b)34