• 2022-06-06
    判断下列方程是否为恰当方程,并且对恰当方程求解:[tex=14.857x1.571]rIQpLz1SwiFaGtXcfCU8vJ4mcgh/yWq253ZDtZ/JVPca4yTOdpDmaZbIs7PUvWY5PBPoeb96T2lXLzSbEyJuiNE3ORqw5K+ul0vD1kYk/2w=[/tex]
  •  解: [tex=16.857x1.571]oIvnuN7wdNflUCtpv952vM2kVXeg+i0/Zzvn7kaj7bdoI8L5ifM/X5/PcfYTL5TkWmD1A8sHn1yGOPUGoN6L/nQXUkPsMHK/qunDfIF1CzQ=[/tex].[br][/br]则[tex=11.929x2.643]1upmciEbHdcoYrEuLhwT4Pd0aFHBQrR84mwA9NJi0h1Cmrr5VJLYflYRFvAJa9hAmGjlTx2CY5RckG0m9qYjQqybxBhINt/YagOzAAYS1JKVhp/27vWwH2NBtkhajlA8[/tex]所以[tex=4.571x2.643]1upmciEbHdcoYrEuLhwT4DrQjflCgxTo9ashSsCAzejSvG7F/dBscply2rMeZE6M/zZkvgGCla+857xo/RlvLhA5DBULaWroL7QlzC6qDzA=[/tex]即原方程为恰当方程则[tex=17.143x1.571]dcA8J2bKCQ8SqP2b+uedJmT4Zdiqan4euUk2vymP/P8wPJbBOwSPFXEdknODz58G8b5z3thlYJo/IxcvXaAlxz6EBvJttGXD7csy/1QxEqnrsIoax54mM1euXOoOMXwg[/tex]两边积分得: [tex=7.5x1.5]CUqizW3FJ3/MGRU7VxkwGvuP89b+Gl+gE7NVGeRCFaI=[/tex]

    内容

    • 0

      set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}

    • 1

      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

    • 2

      求下列直线方程过点(2, -3, 5)和(2, - 1, 4)的直线方程.

    • 3

      【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]

    • 4

      上颌恒牙萌出的顺序为:() A:  6 1   2  4  5  3  7  8 B:  1  2  4  3  5  6  7  8 C:  6  1  2  4  3  5  7  8 D:  6  1  2  3  4  5  7  8 E:  1  6  2  4  3  5  7  8