Question

Решите примеры, срочно!!!
$\frac{m { }^{2} + 2m }{3m } + \frac{3m { }^{2} - 5m}{3m }$
$\frac{2a}{2a - 1} - \frac{1}{2a + 1}$
$\frac{b}{a +b} - \frac{b {}^{2} }{a {}^{2} + b {}^{2} + 2ab}$
$\frac{a - b}{b} + \frac{b}{a + b}$

Answer 1

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