答：
1）
(8/27)^1/3 + √(-2)^2 - (-0.5)^-2÷4^2 /3
=2/3+2-(1/0.25)÷16÷3
=8/3-4 / 48
=32/12-1/12
=31/12
2)
3√4 × 4√8 ÷ √16 × 6√32
=3× 2× 4×2√2÷4×6×4√2
=12√2×24√2
=576