• 2022-06-10
    设[tex=6.571x2.786]3BT1BgBZQ5uJXxD5dg+w2yax3nw1z12r7Qf9BwPfNWPY4vMFEiyfUDrZsUEB1sTBIB90EaKP5YPLig5YJFjeDg==[/tex], [tex=6.571x2.786]UwKAx/AIX9lGAocRZ6Xn8za6PP8xYVUUffXZ2/31U86MWId2XciHoF/aD+r/Tv2Abhoxk9K4ktBoaXjiAZwigA==[/tex],问:(1)[tex=4.357x1.286]hYSGrw5He693xGJsPlhlQQ==[/tex]吗?(2)[tex=12.071x1.5]pN9Prp4p2t2/iN/8Z3lD0gAcci2JUtk7Z8MLq87i/QM=[/tex]吗?(3)[tex=11.929x1.5]trIrxg6O//zhFuRRepz8otZb4ZPeGTFOSsuVlkZytr4=[/tex]吗?
  • 解 : (1)[tex=5.357x1.214]bd2wJGcodGpRumLmogX8xDsRYM3/3AqYx2Njby9ACOA=[/tex].因为[tex=7.357x2.786]/gThxOzpaM0A6YoqLvZ1w9F+zK0x8RkrTFAHkBs6xj3usaRMvlMDauctahrxvgygGb/97+mxC6LAkctAwuqMoQ==[/tex], [tex=7.357x2.786]9bMEDc0jM651Is88wo+DCHKPVbvp+ZeM0r00KgF21ZLyMyW+E/VvPSsAL8/LZpTgV6ZeMIHv6bnBZ7BnRddrxQ==[/tex],所以[tex=5.357x1.214]bd2wJGcodGpRumLmogX8xDsRYM3/3AqYx2Njby9ACOA=[/tex].(2)[tex=13.071x1.5]0zVwXVKYRgQR7Dgr9sOxFSqM7vJ1giuyEaeTYESfU7Y3szLD2WLExC0yRXGdjSjD[/tex].因为[tex=8.571x2.786]pwwD/hYHPi3Z0pZ5IhNyICm0nX42iJGUeUgo9cgdW4z3olhpoja/xQhjrwpT22rR8I4PSG1SyKguwA/iJfKhig==[/tex], [tex=21.214x2.786]uQ1a7fwqRBAMXMN7o9k7u/aYntlvMxXzWTV0rwZnfTsYIjt0Kn23kaH2YWR+yL44iaJugeimjkTqAr5UzXaawBuqXYQRcKjBXpRV0Lu14GD+g2RdREXz0IFp1vZCc/rgHYHAFp/Tsyi0kmz9UojdodCrbAmIrtwW64gUKgm+wJTaCnx8IeHnvIVDFCDpKiiGywGfnUP53KgPpxDA+jmioofoICXrYnZO6iqS4fagKjyRrk+qFPOt+BGr+BQ71LSy[/tex],但[tex=7.786x1.286]5tWgiiO09uurxS+k2b3OcgJVPav9Y5b3cUo6cgfqZSs=[/tex][tex=23.714x2.786]rwMhqGKFQ+j3l2qMx/grPp0JKMNVEBee2treDAppSf1GCEnw4VPx+lo5FeETqNjunq92KxDC3DGMm3jcZysPKnvLAOC4+W0429SK9ZYZeUzZLNFk3oEV+Q/UFcgZueuWecBeAAGXG3m2jpjNXQhhV6xUXSIAC/loQG+IfWPET70uaJq1LBpfPzokSc+vSU5Kd6fR3n6DZFbScbnN9Cz5haF/E+Spu9ngmqT2S67k6fgzLQMcEzjh3Wu3AZ2h3ZZxUicTymKiQjuy6PvjZm3vRWbY2fQtGbjbkHICyIDUdGjFLYvRLzgsulfVifDy8wVQh2hseFjx6BGUO7iGFe611g==[/tex],所以[tex=13.071x1.5]0zVwXVKYRgQR7Dgr9sOxFSqM7vJ1giuyEaeTYESfU7Y3szLD2WLExC0yRXGdjSjD[/tex].(3)[tex=11.714x1.286]JwyGcG039TMd1Ppn0tsGf//VJh1qoNdIVLsy89aWwVKGva2cH+20jG6uy6u3oo4h[/tex].因为[tex=8.571x2.786]4BNHnJf9vindIrhIPRFaGQ7+luZenzK6opS3Ck3UHT8ftVSP8ovZFJCsGxx/xAFJFkJLlbMkZcPlVVWtWOQv+g==[/tex], [tex=8.571x2.786]Wow5JmcFCGrZxEMkAESM1QvnsLxeb4onyOA2c9WdSKoyz7LMl/ESnMcWPQ7n9QLFHU3HMYrhOFaLaWe89ffEpQ==[/tex], [tex=7.929x1.286]S0r3Cbm1lVKOHkDo1W1jDYwzqi2m2oXKFh0ZUhZWJhU=[/tex][tex=14.929x2.786]jyVOORWehIbTNQvvtYroWgbUHaPEFQ8AvATjXiuoY15CbQAJM9UESQK8EyPofhxGB6+svyM73AIf9v230iZB7LZneke1J9DVOPvOZMF2jZW1yDi/crIdbxOwjWEREsvPqaGVn/HLoi3SVcAbkGlXPrEuKdSJtGNC3z/F+anGRNOIlxVBoNE/VxYF4Gs3fqKM9umbPRfJ9bQCFDeSxIpULZqfi78jLqjtMFsU4M7lzej51qEQpt3zhd502jBlfHAt[/tex].而[tex=4.571x1.286]QqR47NlaFeAGDMZWOjUIEjLQxBfCIW5vSTcQ+LYb70Q=[/tex][tex=16.5x2.786]jyVOORWehIbTNQvvtYroWrEyrGzUv4Vrt28ojATZFfiuLQ66biHynYPz9qUcI+feOQ1rqAlArPcMfO/vnpy9b03WGe+9Rr+m6uuX2mnTNfCt3aXI2AUmjptm3sXVjVpw8CtI9eiokjWF/cZNzK+zA11cWSKd+NCJ28ubCfcxc4Lzu9i5nuWOVopRei9do/tNhssiGDsatfe0ft6jVvsUPjsX6NP59becstsvMXfYbKx8kqjNMSJEDOOmFZW8a/lr[/tex],故[tex=11.714x1.286]JwyGcG039TMd1Ppn0tsGf//VJh1qoNdIVLsy89aWwVKGva2cH+20jG6uy6u3oo4h[/tex].

    举一反三

    内容

    • 0

      >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']

    • 1

      已知a=[1 2 3; 4 5 6; 7 8 9],执行命令:a([3,1],:)=a([1,3],:),a将变为( )。 A: [4 5 6;4 5 6;4 5 6] B: [7 8 9;4 5 6;1 2 3] C: [2 2 2;5 5 5;8 8 8] D: [3 2 1;6 5 4;9 8 7]

    • 2

      【阅读理解(选择)/完型填空】基于以下描述回答 1-2 题: 下表是 9 名评委对 10 名学生的毕业设计进行等级评定结果: 评委 A B C D E F G H I J 1 1 2 4 3 9 6 5 8 7 10 2 1 4 2 5 6 7 3 10 8 9 3 1 3 4 5 2 8 9 6 10 7 4 1 3 4 5 2 6 10 8 7 9 5 1 9 2 5 6 3 4 8 10 7 6 1 4 9 2 5 6 7 3 10 8 7 1 3 5 10 2 6 9 7 8 4 8 1 3 5 7 6 4 8 10 2 9 9 1 2 8 4 9 6 3 7 5 10

    • 3

      A=[1 2 3 4 5 6 7 8 9]A(5)=[]A=1 4 7 5 8 3 6 9

    • 4

      编写程序,输出下列的数字图形。 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 1 2 3 1 2 1