=3^1/2 -3^(3/2)÷(2^3)^(1/3)
=3^1/2 -3×3^(1/2)÷2
=-1/2 ×3^(1/2)
即是-√3 /2
2、=(2^3)^(2/3)×(2^2)^(1/4) -|1-√2|
=2^2×2^(1/2)-√2+1
=4√2-√2+1
=3√2 +1