已知 整数 的8位补码 [X] 补 =3EH, [Y] 补 =DCH ,求以下各值: (1) [2X] 补 =_______H, (2) [X/2] 补 =_______H, (3) [X] 原 =_______H, (4) [-X] 补 =_______H, (5) [2Y] 补 =_______H, (6) [Y/4] 补 =_______H, (7) [Y] 原 =_______H, (8) [-Y] 补 =_______H, (9) 机器字长为32位的[Y] 补 =_________________H ( 答案不要插入空格) , (10) [Y] 二进制真值 =__________B.