Question

1) Efetue as multiplicações abaixo:
a) (+3) x (+4) = f) (–2) x (+5) =
b) (+3) x (-4) = g) (0) x (-4) =
c) (–8) x (+2) = h) (-8) x (-8) =
d) (–5) x (–3) = i) (+12) x (+2) =
e) (+3) x (-4) = j) (-1) x (+15) =​

Answer 1

Resposta:

a) 12

b) -12

c) -16

d) 15

e) -12

f) -10

g) 0

h) 64

i) 24

j) -15