[tex] \sqrt{18} - \sqrt{50}+ \sqrt{200} = ?[/tex]

Răspuns :

√18-√50-√200
=3√2-5√2-10√2
= -12√2
[tex] \sqrt{18}- \sqrt{50}+ \sqrt{200}= \\ [/tex]
[tex]3 \sqrt{2} -5 \sqrt{2} +10 \sqrt{2} = \\ -2 \sqrt{2} +10 \sqrt{2}=\\ -12 \sqrt{2} [/tex]