Question

34. Efetue as multiplicações
) (-7).(-9).(+13) =
b) (+18).(+2).(+3).(-2) =
c) (-4).(+2).(-12)
d) (+4).(-7).(+9).(-13)​

Answer 1

Resposta:

A)(-7).(-9).(+13) =819

b) (+18).(+2).(+3).(-2) =-216

c) (-4).(+2).(-12)=96

d) (+4).(-7).(+9).(-13)=3.276

espero ter ajudado