-3radical din3 +7radical 3 -5radical3

Răspuns :

+4 radical 3-5 radical 3
= -radical 3
[tex] -3\sqrt{3} + 7\sqrt{3} -5\sqrt{3 } = ( -3+7-5) \sqrt{3} = -1 \sqrt{3} = - \sqrt{3} [/tex]