mng giúp em với ạ
tính
a, $\sqrt[3]{125}$ . $\sqrt[3]{\frac{16}{10}}$ . $\sqrt[3]{-0,5}$
b, $\frac{\sqrt[3]{4}+\sqrt[3]{2}+2}{\sqrt[3]{4}+\sqrt[3]{2}+1}$
c/ $\sqrt[]{3+\sqrt[]{5}+\sqrt[]{10+ 6\sqrt[]{5}}}$
d, $\frac{4+2\sqrt[]{3}}{\sqrt[]{10 + 6\sqrt[]{3}}}$