Question

Номер 510 допоможіть будь ласка

Answer 1

№510

$1)~4\sqrt{700} -27\sqrt{7} =4\sqrt{100*7} -27\sqrt{7} =4*10\sqrt{7} -27\sqrt{7} =40\sqrt{7} -27\sqrt{7} =13\sqrt{7} \\2)\sqrt{75} -6\sqrt{3} =5\sqrt{3} -6\sqrt{3} =-\sqrt{3} \\3)~2\sqrt{50} -8\sqrt{2} =10\sqrt{2} -8\sqrt{2} =2\sqrt{2} \\4)~5\sqrt{12} - 7\sqrt{3} =10\sqrt{3} -7\sqrt{3} =3\sqrt{3} \\5)~3\sqrt{72} -4\sqrt{2} =18\sqrt{2} -4\sqrt{2} =14\sqrt{2} \\6)~\frac{1}{3} \sqrt{108}+\sqrt{363} -\frac{2}{9} \sqrt{243} =2\sqrt{3} +11\sqrt{3} -2\sqrt{3} =11\sqrt{3}$