20 баллов, СРОЧНО, решите пожалуйста
[tex] \frac{3x + 2}{4x - y} + \frac{2x - 1}{y - 4x} \\ (m - 2n) \div \frac{(2n - m {)}^{2} }{5mn} \\ ( \frac{a + 5b}{ {a}^{2} - 5ab} - \frac{a - 5b}{ {a}^{2} + 5ab} ) \times \frac{ {25b}^{2} - {a}^{2} }{ {5b}^{2} } [/tex]
[tex] \frac{3x + 2}{4x - y} + \frac{2x - 1}{y - 4x} \\ (m - 2n) \div \frac{(2n - m {)}^{2} }{5mn} \\ ( \frac{a + 5b}{ {a}^{2} - 5ab} - \frac{a - 5b}{ {a}^{2} + 5ab} ) \times \frac{ {25b}^{2} - {a}^{2} }{ {5b}^{2} } [/tex]
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