[(1/2)^-1 - (0,25)^-1]^-2
---------------------------- (kreska ułamkowa) (
0,375)^-1 - (0,6)^-1
licznik ------ [ 2^1 - 4^1]^(-2) = (2 - 4)^(-2) = (-2)^(-2) = (-1/2)^2 = 1/4
mianownik --- (3/8)^(-1) - (3/5)^(-1) = 8/3 - 5/3 = 3/3 = 1
liczmik / mianownik = (1/4) / 1 = 1/4 ------ odpowiedź
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licznik ------ [ 2^1 - 4^1]^(-2) = (2 - 4)^(-2) = (-2)^(-2) = (-1/2)^2 = 1/4
mianownik --- (3/8)^(-1) - (3/5)^(-1) = 8/3 - 5/3 = 3/3 = 1
liczmik / mianownik = (1/4) / 1 = 1/4 ------ odpowiedź