Question

Calcule x . y . z, sabendo que :
a) X= + 5 ; Y = - 6 e Z = - 2
b) X = + 3 ; Y = + 4 e Z = - 1
c) X = - 7 ; = Y = - 7 e Z = - 7
d) X = -5 ; Y = - 2 e Z = + 4

Answer 1

a) 60;
b) -12;
c) 52;
d) 40.