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BTSsssaagustd @BTSsssaagustd

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Ляляляля109

а)

$\frac{3-b^{2}}{\sqrt{3} +b} =\frac{(\sqrt{3} -b)(\sqrt{3} +b)}{\sqrt{3} +b} =\sqrt{3} -b$

б)

$\frac{5-\sqrt{5} }{\sqrt{2}-\sqrt{10}} =\frac{(5-\sqrt{5} )(\sqrt{2} +\sqrt{10} )}{2-10} =\frac{5\sqrt{2}+5\sqrt{10} -\sqrt{10} -5\sqrt{2} }{-8} =-\frac{4\sqrt{10} }{8} =-\frac{\sqrt{10} }{2}$

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Answers & Comments

dayu 20 ballov1c342adc5675e7b4803846ec825c684d 3268

kg a opredelite kineticheskuyu energiyu myacha v moment brosaniya 2 b zapishite f79963a45dcf0237e6dc688c36299705b 29650

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