• 2022-05-27
     求环 [tex=4.714x1.214]lc4c9csR/e3Mon88xb+thsvfx2cJa7Cq6M4czwhy3btm6JVGHMWpMCnMMuI9f/HxkY3O2EuMFXKU3gVW1n2BEQ==[/tex]的所有零因子和所有单位.
  • 解 (1) [tex=4.714x1.214]VLLsvS/Xe5oAP4FCCW1YQFvMpHexiT7RRygOebd9ch4jExiuMqeySmsZRXwJcDjS[/tex]的所有零因子为[tex=12.429x1.357]K5ZbEvhx2Yfy7CoW0IAgXhFOtO6ANaIfOTHsVvvtCWt5MthAEUYEX2Ri47u+b8THoCkWjDLRcz+M6TxbSUNIWTtRwiM3aPLBCVBuIMPQeXs=[/tex] 不全为零, 但至少有一个是零 } .(2) [tex=4.714x1.214]lc4c9csR/e3Mon88xb+thsvfx2cJa7Cq6M4czwhy3btm6JVGHMWpMCnMMuI9f/HxkY3O2EuMFXKU3gVW1n2BEQ==[/tex]的所有单位为[tex=10.786x1.357]mYXpigDt2a71fz0tlLxKrLekVUIVEjz+312kOcyXpyHuMZ2pAIkHEnqUu2OEfuGMEdWHVuJfTXl/Wp+54+Haog==[/tex] 且 [tex=2.714x1.286]Zc/3D/ZWqda9IrWgV+C6gQ==[/tex].

    举一反三

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    • 0

      下列数组声明语句中,不正确的是_________。 A: Dim a(9) As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B: Dim a() = {1, 2, 3, 4, 5, 6, 10} C: Dim a( ,) As Single = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}} D: Dim a() As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} E: Dim n As Integer=10Dim a(n) As Single

    • 1

      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

    • 2

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

    • 3

      当执行下面的语句定义一维数组a后,此数组的所有元素为 ( ) inta[10]; A.a[1],a[2],a[3],a[4],a[5],a[6],a[8],a[9],a[10],a[10] B.a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9] C.a[0],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],a[10] D.a[1],a[2],a [3],a[4],a [5],a [9],a [7],a [8],a [9],a [10],a [11]

    • 4

      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}