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密码学作业一 #71

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14 changes: 14 additions & 0 deletions Homework/九天/IceGone
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1.想想看，时钟用的是什么进制呢？
时钟有秒针，分针，时针。
秒针和分针都是逢六十进一，为六十进制；
时针是逢十二进一，为十二进制。
2.将二进制数1111000010.01101分别转换为八进制、十进制和十六进制数。
八进制： 合三为一：1 111 000 010.011 010
1 7 0 2. 3 2(O)
十六进制：合四为一：11 1100 0010.0110 1000
3 C 2. 6 8(0X)
十进制：各位权值*数量的累加：为：962.40625
3.将十进制数137.5分别转换成二进制、八进制。
十进制转化为其他进制，用除数取余法：
二进制：10001001.1
八进制：可以将得到的二进制数10001001.1做合三为一得：211.4