Question

Efetue as multiplicações:
a)(-2)×(-2) =???
b)(+3)×(-4) =???
c)(-5)× 0 =???
d)(-2)×(-13) =???
e)(+7)×(+8) =???​

Answer 1

Resposta:

a )(-2)×(-2) =???

b)(+3)×(-4) =???

c)(-5)× 0 =???

d)(-2)×(-13) =???

e)(+7)×(+8) =???

a) 4

b) -12

c) 0

d) 26

e) 56