习题一1 无符号数: 11010011=211=D3H，01110111=119=77H，10000011=131=83H，00101111=47=2FH，10101010=170=AAH带符号数：11010011= -45=D3H，01110111=+119=77H，10000011= -125=83H，00101111=+47=2FH，10101010= -86=AAH2 5E8AH，0BE6H，3DEH，4940H3 00011101+00110101=01010010=52H=8201001001+11101000=00110001=31H=4910111110+01010010=00010000=10H=1610011010+11110001=10001011=8BH= -117400101001+01010011=01111100+00000110=10000010=82H=820111001100100100=0100111100000110=01001001=49H=4901100110+00011000=
