ca rogggg urgent dau coroana

Ca Rogggg Urgent Dau Coroana class=

Răspuns :

Răspuns:

[tex]2 \sqrt{5} ( \sqrt{2} + 2 \sqrt{6} ) \\ = 2 \sqrt{5} \times \sqrt{2} + 2 \sqrt{5} \times 2 \sqrt{6} \\ = 2 \sqrt{10} + 4 \sqrt{30} [/tex]