Question

se considera numerele reale

Answer 1

Răspuns:

Explicație pas cu pas:

1/2 + 1/3 - 1/6 = 3/6 + 2/6 - 1/6 = 4/6 = 2/3

x = 2/3*3/2 = 1

________

(2^2)^3 = 2^6

16^2 = (2^4)^2 = 2^8

y = 2^8 : 2^6 : 2 = 2^2 : 2 = 2

_________

x - y = 1 - 2 = -1

(-1)^2022 + (-1)^2021 = 1 - 1 = 0