Làm giúp mik vs hứa vote 5s

c, 3$\sqrt{2}$ +5$\sqrt{8}$ -2$\sqrt{50}$ =3$\sqrt{2}$ +10$\sqrt{2}$ -10$\sqrt{2}$=3$\sqrt{2}$

d, 2$\sqrt{45}$+$\sqrt{80}$ -$\sqrt{245}$=6$\sqrt{5}$+4$\sqrt{5}$ -7$\sqrt{5}$=3$\sqrt{5}$

 e,9$\sqrt{3}$ 

h, $\sqrt{3}$