Răspuns:
[tex]( \sqrt{75} - \sqrt{50} ) \div 5 - ( \sqrt{2} + \sqrt{3} ) \\ ( \sqrt{ {5}^{2} \times 3} - \sqrt{ {5}^{2} \times 2} ) \div 5 - \sqrt{2} - \sqrt{3} \\ (5 \sqrt{3} - 5 \sqrt{2} ) \div 5 - \sqrt{2} - \sqrt{3} \\ \sqrt{3} - \sqrt{2} - \sqrt{2} - \sqrt{ 3} \\ - 2 \sqrt{2} [/tex]