Question

Сократите дробь:
$a ) \frac{a - b}{b - a}$
$b) \frac{a(x - a)}{b(a - x)}$
$c) \frac{5a(x - y)}{15a(y - x)}$
$d) \frac{3m(x - 1)}{9m^{2}(1 - x) }$
$e) \frac{a(b + c)}{a(b + c)}$
$f) \frac{8a(a + b)}{4a(a + b)}$

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Answer 1

решение на фото....................