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b) (x²)⁻¹ * x²= x²
c) (xy)⁻¹
d) (x*a)⁻¹
f) a/b
Nie jestem pewna :|
b)(x²)⁻¹ * x²= x²
c)(xy)⁻¹
d)(x*a)⁻¹
f)a/b