Question

11. Dacă x - y = 27 şi z = 3, calculaţi:
a) (x - y)s : 213;
b)x.z-y.z;
c)x:2-y:z.​

Answer 1

a) 9
b) 81
c) 1


x-y = 27 ; z = 3
(x-y)^5 : z^13
27^5 : 3^13
(3^3)^5 : 3^13
3^15 : 3^13
3^2
9