Question

Calcule as expressões: a. (-5).(+6).(-2) b. (+2).(-4).(-1).(+7) c. (-12).(-4) d. (-9).(+6)

Answer 1

a)
(-5).(+6).(-2)
(-30).(-2)
= 60


b)
(+2).(-4).(-1).(+7)
(-8).(-7)
= 56



c)
(-12).(-4)
= 48



d)
(-9).(+6)
= -54