Răspuns:
[tex]15 \sqrt{6} \div 5 \sqrt{2} = 15 \sqrt{6} \div 5 \times \sqrt{2} = 3 \sqrt{6} \times \sqrt{2} = 3 \sqrt{12} = 3 \sqrt{ {2}^{2} } \times 3 = 3 \sqrt{ {2}^{2} } \times \sqrt{3} = 3 \times 2 \sqrt{3} = 6 \sqrt{3} [/tex]
