Question

20) Calcular
a) (-2) x(+8)
b) (-45): (-9)
c)(-7).(-8)
d) (+55):(+ 11)
e) (+144): (+12)
1) (84): (-14)​

Answer 1

Explicação passo-a-passo:

20) Calcular

a) (-2) x(+8)

- 16

b) (-45): (-9)

9

c)(-7).(-8)

56

d) (+55):(+ 11)

5

e) (+144): (+12)

12

1) (84): (-14)

- 6