Răspuns:
[tex]\sqrt{300} -\sqrt{192} +\sqrt{27} -\sqrt{432} -\sqrt{108} =\\=10\sqrt{3} -8\sqrt{3} +3\sqrt{3} -12\sqrt{3}-6\sqrt{3} =\\=-13\sqrt{3} \\[/tex]
am descompus numerele in factori primi
