Question

1-Efetue as multiplicações
a)(+8).(+5)=
b)(-8).(-5)=
c)(+8).(-5)=
d)(-8).(+9)=
e)(-3).(-9)=
f)(+3).(-9)=
g)(-3).(+9)=
h)(+3).(+09)=
i)(+7).(-10)=
j)(+7).(+10)=​

Answer 1

Resposta:

a)(+8).(+5)= 40

b)(-8).(-5)= 40

c)(+8).(-5)= - 40

d)(-8).(+9)= - 72

e)(-3).(-9)= 27

f)(+3).(-9)= - 27

g)(-3).(+9)= - 27

h)(+3).(+09)= 27

i)(+7).(-10)= - 70

j)(+7).(+10)= 70