علامت < یا > یا = بگذارید (با ذکر دلیل). 1. $\sqrt[3]{(-2)^{2}} \bigcirc \sqrt[3]{-2^{2}}$ 2. $\sqrt[3]{(-2)^{2}} \bigcirc \sqrt[3]{-2^{2}}$ 3. $\sqrt[7]{(-2)^{3}} \bigcirc \sqrt[7]{-2^{3}}$ 4. $(\frac{5}{2})^{3} \bigcirc (\frac{2}{5})^{3}$ 5. $2^{3} \bigcirc 3^{2}$ 6. $(-5)^{9} \bigcirc (-5)^{7}$ 7. $(\frac{2}{5})^{3/2} \bigcirc (\frac{5}{2})^{2/3}$ 8. $\sqrt[7]{5^{2}} \bigcirc \sqrt[5]{3^{2}}$