1. \frac{\sqrt{a} }{\sqrt{a}+\sqrt{b}} + \frac{\sqrt{b} }{\sqrt{a}-\sqrt{b}}-\frac{2\sqrt{ab}}{(\sqrt{b}-\sqrt{a}{b}+\sqrt{a})} * \frac{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})}{\sqrt{a}+\sqrt{b}} . \frac{(\sqrt{a}-\sqrt{b})*\sqrt{a}+(\sqrt{a}+\sqrt{b})*\sqrt{b}+2\sqrt{ab}}{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})} * \frac{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})}{\sqrt{a}+\sqrt{b}}/tex][tex]
3. \frac{a-\sqrt{ab}+\sqrt{ab}+b+2\sqrt{ab}}{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})} *\frac{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b}) }{\sqrt{a}+\sqrt{b}} 4. \frac{(\sqrt{a}+\sqrt{b})^{2} }{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})}*\frac{(\sqrt{a}-\sqrt{b}{a}+\sqrt{b})}{\sqrt{a}+\sqrt{b}} = \sqrt{a}+\sqrt{b}

menshikovborisg menshikovborisg    3   23.11.2019 14:33    5

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