（3/2)^-3 × （-0.25)^0 + 3^-3
= 8/27 × 1 + 1/27
= 9/27
= 1/3
(2) 2^-1 - ( 3.14 - π)^0 - ( -1)^3
= 1/2 - 1 + 1
= 1/2
(3) (3/2)^-1 × （π - 2）^0 - ( -3/2)^2 ÷ （2/3)^-3
= 2/3 × 1 - 9/4 ÷ 27/8
= 2/3 - 9/4 × 8/27
= 2/3 - 2/3
= 0