Предмет: Алгебра, автор: top4iig63

Ну пж помогите мне очень срочно надо!!!!

Приложения:

Ответы

Автор ответа: eugpll
1

Ответ:

номер 4

1.

 \frac{5}{x(x - 1)}  =  \frac{5}{ {x}^{2} -  x}

2.

 \frac{2a}{a + 2}  +  \frac{1}{a - 3}  =  \frac{2 {a}^{2}  - 5a + 2}{ {a}^{2}  - a - 6}

номер 7

 \frac{2b}{b - 4}  +  \frac{b}{b + 4}  +  \frac{2 {b}^{2} }{16 -  {b}^{2} }  =  \frac{b}{b - 4}

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