• 2022-06-29
    求函数的傅里叶积分:[tex=11.857x4.071]b7Fls7iATEUWHjrNBnbaR06UKx04jFTfLK243z56+klvKYSRWuAETreVJHRCHdkeB68VYDDshCl5v6xwKq6kfQT2TlWnxODlB+2BQXUVdIbWHMOtCap9uSvJQxrg9yWEd9u5ieeg4lbNSEnL61Tbjg==[/tex]
  • [tex=15.5x7.714]PlEX7roUp+ex+Wt/jwWzO+AVfdc8F/f9qv7e0MT7Ly8cpvsDBJtqVvk9zgJx1rpw3ialImou6YnbKFEWfhdRBzwq837qAyXBQKAuHokDZNMC3yt+CmkJfOu6dKmXaKfCnnkhOCCnH5ODA3ev+b+/cHbNuPUIyZyM2sCwchNsC2u+wiZdm73+kuX8fwA/ZORgWhGUkstO4YZdt96h/JiI0Zka57p2AE9SYmpQQAlfDFPmexdkOdjwzsyFUjiDg8U5uzBt4O9PknV4rClG82OQTQ==[/tex][tex=20.071x13.571]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[/tex]

    举一反三

    内容

    • 0

      【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

    • 1

      已知一中缀表达式为:6*2*(7+5)+2*(6+9/3),则等值的后缀表达式是( )。 A: 6 2 * 7 5 + * 2 6 9 3 / + * + B: 6 2 7 5 + * * 2 6 9 3 / + * + C: 6 2 * 7 5 + * 9 3 / 6 + 2 * + D: 6 2 7 5 + * * 2 6 9 + 3 / * +

    • 2

      输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9

    • 3

      >>>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']

    • 4

      将矩阵a=[1 2 3;4 5 6;7 8 9]改变成 b=[3 6 9;2 5 8;1 4 7]的命令是( )。