Question

4) Calcule X . Y . Z., sabendo que :
a) X = - 4, Y = + 5, Z = - 2
b) X = - 9 , Y = - 1 , Z = - 4
C) X = + 6, Y = + 4 , Z = + 3
d) X = - 8, Y = +3 , Z = -11

Answer 1

a)

-4.5.-2

-20.-2

=40

b)

-9.-1.-4

9.-4

=-36

c)

6.4.3

24.3

=72

d) -8.3.-11

-24.-11

=264