S
suatuzki


1. [tex]\left\{ \begin{array}{l} x\sqrt{y} + y\sqrt{x} = 30 \\ x\sqrt{x} + y\sqrt{y} = 35 \end{array} \right.[/tex]
2. [tex]\left\{ \begin{array}{l} x^5 + y^5 = 1 \\ x^9 + y^9 = x^4 + y^4 \end{array} \right.[/tex]
3. [tex]\left\{ \begin{array}{l} x^3 - 3x = y^3 - 3y \\ x^6 + y^6 = 1 \end{array} \right.[/tex]
2. [tex]\left\{ \begin{array}{l} x^5 + y^5 = 1 \\ x^9 + y^9 = x^4 + y^4 \end{array} \right.[/tex]
3. [tex]\left\{ \begin{array}{l} x^3 - 3x = y^3 - 3y \\ x^6 + y^6 = 1 \end{array} \right.[/tex]