Răspuns:
[tex]ma = (5 \sqrt{16 \times 3} + 3 \sqrt{25 \times 2} + 3 \times \sqrt{4 \times 16 \times 3 } - 2 \sqrt{81 \times 2} ) \div 2 = 5 \times 4 \sqrt{3} + 3 \times 5 \sqrt{2} + 3 \times 2 \times 4 \sqrt{3} - 2 \times 9 \sqrt{2} ) \div 2[/tex]
