\(\frac{2x - 1}{x - 1} - \frac{x - 2}{x - 1}.\) \(\frac{2(2xy - 1)}{3x^2y^2} - \frac{xy - 2}{3x^2y^2}.\) \(\frac{3x - 2}{x + 1} - \frac{2x - 1}{x + 1}.\)

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d) \(\frac{2x - 1}{x - 1} - \frac{x - 2}{x - 1}.\)

e) \(\frac{2(2xy - 1)}{3x^2y^2} - \frac{xy - 2}{3x^2y^2}.\)

f) \(\frac{3x - 2}{x + 1} - \frac{2x - 1}{x + 1}.\)