• 2022-07-25 问题

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=5.5x1.357]zqkJrQUTxfQT7A2Ihq7Etw3ZHQmve8W2+aTRD6EGswE=[/tex]

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=5.5x1.357]zqkJrQUTxfQT7A2Ihq7Etw3ZHQmve8W2+aTRD6EGswE=[/tex]

  • 2022-07-25 问题

    如果论述域是[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex],试消去下面公式中的量词:[tex=7.071x1.357]AtEtc5HMzrxiqsccCBuTGJZFhoTNhIvVcRm6XwLVzEQgcgzOcHC0AtUL5O82/MIK[/tex]。

    如果论述域是[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex],试消去下面公式中的量词:[tex=7.071x1.357]AtEtc5HMzrxiqsccCBuTGJZFhoTNhIvVcRm6XwLVzEQgcgzOcHC0AtUL5O82/MIK[/tex]。

  • 2022-07-24 问题

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=11.214x1.357]0gVWnNj5SFnE4J5jTMgJrfpsIzLI1w7ztLwCvg3MBQljKARxemtmQMefjrvQsqEQSdg/3L+5qso/53HDtKZoQg==[/tex]

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=11.214x1.357]0gVWnNj5SFnE4J5jTMgJrfpsIzLI1w7ztLwCvg3MBQljKARxemtmQMefjrvQsqEQSdg/3L+5qso/53HDtKZoQg==[/tex]

  • 2022-07-25 问题

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=9.929x1.357]j8PviNocBG/cEk/BHAzJokRCKwyZ7iH69iNepERFdmSRgK7yMkQX2JlAk6XlVuuV[/tex]

    如果论域是集合[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex], 试消去下面公式中的量词。[tex=9.929x1.357]j8PviNocBG/cEk/BHAzJokRCKwyZ7iH69iNepERFdmSRgK7yMkQX2JlAk6XlVuuV[/tex]

  • 2022-10-30 问题

    字母表[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex]上有多少个10位字符串恰有3个[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]或恰有4个[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]?

    字母表[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex]上有多少个10位字符串恰有3个[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]或恰有4个[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]?

  • 2022-07-02 问题

    找一种9 个[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex], 9 个[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex], 9 个[tex=0.5x0.786]EL0hSqs6jZBGdsmH7TMShQ==[/tex]的圆形排列,使由字母[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex]组成的长度为3 的27个字的每个字仅出现一次。

    找一种9 个[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex], 9 个[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex], 9 个[tex=0.5x0.786]EL0hSqs6jZBGdsmH7TMShQ==[/tex]的圆形排列,使由字母[tex=3.286x1.357]mnRYmWVlq1QQqwaBuICnZA==[/tex]组成的长度为3 的27个字的每个字仅出现一次。

  • 2022-06-01 问题

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

  • 2021-04-14 问题

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

  • 2022-06-01 问题

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

  • 2022-10-25 问题

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

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