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小数部分
0. 375
× 2
0. 750 0
× 2
1.500 1
× 2
1. 000 1
)()(
=
011.1101001375.105
210
3.把下列各位
数转换成十进制数(小数取 3 位)。
(1)
16
8.78 )(
解
16
5.120 )(
10
101
5.120168168167 )=(=
−
×+×+×
(2)
16
FCA3 )(
解
16
FCA3 )(
10
0123
16330161016121615163 )=(= ×+×+×+×
(3)
8
101.1)(
解
8
101.1)(
10
0022
125.65818181 )=(= ×+×+×
(4)
8
74.32)(
8
74.32)(
10
2111
406.6082838487 )=(=
−−−
××+×+×
4. 完成数制
转换
(1)
8216
(?)(?)6AB3 ==)(
解
8216
)35266()1101100011101010(6AB3 ==)(
(2)
8216
(?)(?)7.432 ==)( B
解
8216
)556.2062()10110111.100100001100(7.432 ==)( B
(3)
16210
(?)(?)27.163 ==)(
解
16210
)A3.4()01.10100011(27.163 ==)(
(4)
8210
(?)(?)31.754 ==)(
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