Question

de o resultado

(-9).(+12).(-2)

(-7).(-10).(-5)

(+13).(-4).(-2)

(-7).(-7).(-1).(-5)

(-20).(-2).(+6).(+4).(-1)​

Answer 1

(-9).(+12).(-2)=

=(-9).(-24)=

= +216

(-7).(-10).(-5)=

=(-7).(+50)=

= -350

(+13).(-4).(-2)=

=(+13).(+8)=

= +104

(-7).(-7).(-1).(-5)=

=(+49).(+5)=

= +245

(-20).(-2).(+6).(+4).(-1)=

=(-20).(-12).(-4)=

=(-20).(+48)=

= -960

Bons estudos!!! Bjs!!!