Скортатие дроби:
[tex] \frac{2x - 2y - x {}^{2 } + {y}^{2} }{ {x}^{3}y - {2x}^{2}y + x {y}^{3} } [/tex]
[tex] \frac{ac - 2bc - ab + {b}^{2} + {c}^{2} }{bc + 2ab - ac - {b}^{2} - {a}^{2} } [/tex]
Спасибо за ранее!!
[tex] \frac{2x - 2y - x {}^{2 } + {y}^{2} }{ {x}^{3}y - {2x}^{2}y + x {y}^{3} } [/tex]
[tex] \frac{ac - 2bc - ab + {b}^{2} + {c}^{2} }{bc + 2ab - ac - {b}^{2} - {a}^{2} } [/tex]
Спасибо за ранее!!
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2)ac-bc-ab+b^2+c^2/bc+2ab-ac-b^2-a^2=-a+b+c^2/-a(2-a)-b