Simplify: 0.05 × 0.002

What is the result of (0.5³ + 0.1³ – 0.6³) ÷ (3×0.5×0.1×0.6)?

What is the value of (0.4×0.4×0.4 + 0.02×0.02×0.02) ÷ (1.2×1.2×1.2 + 0.06×0.06×0.06)?

What is the value of (0.02³ + 0.004³) ÷ (0.2³ + 0.04³)?

Simplify: $$\left( \left( 1.5 + \frac{3}{4} \right) \div \left( 2.25 - \frac{1}{2} \right) \right) + 0.6$$​