A:x≤12
B:x<12
C:0≤x<12
D:0<x≤12
-- What beautiful shoes you're wearing! They must be expensive.
-- No, they only 10 yuan.
(Ⅰ) (14)−12+823−62514 ;
(Ⅱ)(log2125+log425+log85)(log52+log254+log1258).