Question

sabendo que x = (-2)^4 ÷ 4^2 - 4^2 ÷ (-2)^3 e y= [(-1)^3 - (-1)^5 × (-1)^4] mais(-1)elevadoa 7

Answer 1

x = 16 : 16 - 16 : (-8)
x = 16 : -8
x = -2

y = (-1 + 1 x 1) -1
y = (0 x 1) -1
y = -1