Question

não precisa de explicação. :))
PLEASE É PRA HOJE
Efetue as multiplicações:
a) (– 2) x (+ 3) =
b) (+ 1) x (– 2) =
c) (– 1) x (+ 3) =
d) (– 7) x (– 11) =
e) (– 14) x 0 =
f) (+ 15) x (– 8) =
g) 0 x (– 342) =
h) (+ 12) x (– 12) =
i) (– 1) x (– 1) =
j) (– 11) x (– 9) =

Answer 1

a) (– 2) x (+ 3) =

-6

b) (+ 1) x (– 2) =

-2

c) (– 1) x (+ 3) =

-3

d) (– 7) x (– 11) =

77

e) (– 14) x 0 =

-0 ou somente 0

f) (+ 15) x (– 8) =

-120

g) 0 x (– 342) =

0

h) (+ 12) x (– 12) =

-144

i) (– 1) x (– 1) =

1

j) (– 11) x (– 9) =

99

Cuide-se :)

Answer 2

Resposta:

a) (– 2) x (+ 3) = - 6

b) (+ 1) x (– 2) = - 2

c) (– 1) x (+ 3) = -3

d) (– 7) x (– 11) = + 77

e) (– 14) x 0 = 0

f) (+ 15) x (– 8) = - 120

g) 0 x (– 342) = 0  

h) (+ 12) x (– 12) = - 144

i) (– 1) x (– 1) = +1

j) (– 11) x (– 9) = + 99