一、
(1)[x]反 = [x]补 = [x]原 = 0.10100
(2)[x]反 = 1.11000;[x]补 = 1.11001
(3)[x]反 = [x]补 = [x]原 = 010100
(4)[x]反 = 101011;[x]补 = 101100
二、
[x]原 = [x]反 = [x]补 = 00 1011 1101
[y]原 = 11 0010 1011;[y]反 = 11 1101 0100;[y]补 = 11 1101 0101
因为:
[-y]补 = 00 0010 1011
所以:
[x]补 - [y]补 = [x]补 + [-y]补
= 00 1110 1000