• 2022-06-15
    若[tex=3.429x1.214]3w5dWRi3MHNl0dLqyX7EMw==[/tex],试证:[tex=10.071x1.5]FU/JTI/eBD/FKXlLscYPjngKH3UBObl7z5VKJLFKsZjyYFJOV857O3Uc0PqIgWFW[/tex]。
  • 证明:[tex=25.071x6.5]a0s3MH7cLIdmiBRR0YN06ycitbKQ+MUT/HafZKixTfg/DpIA2hKhpP8zy2aCFZYMf4fIbfEd0yfcKiKfg2P4u3JnSuuaSZxd4tei4QhS6nr+gKkf0cX8E74ytHQ5KkjlzKDaluY7FDVAcWzWhLzKyE8gPQHUtoECKryziwLJSb6mm2alZs1sAlL7VrlFavl+r9fcK1+b4gUwZOIzAyvsu6v3aNpw7TFAKQ4EiwqklITWpzK7kY7IilpgzwfDNN+X0Ich+7yjjGNi7M0trIvC61Yv++tXVLBtLM0sC16CMin5scXalHZEbSECm3cK3+i0O3vLY9uQlS/DAq/pmVAoWgzKlho2vfDiUBddsoULPN3r4C5nt+G9qIJd12CMZ3QT[/tex]

    内容

    • 0

      intx=5,y=8,z=7;表达式z=!(x>y)||(x=1,y=3)计算后的结果 A: x=1,y=3,z=1 B: x=1,y=3,z=0 C: x=5,y=8,z=0 D: x=5,y=8,z=1

    • 1

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

    • 2

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

    • 3

      若[tex=3.929x1.214]uMYsd4qTfxa+0n8rNwmwsg==[/tex],试证:[tex=10.071x1.5]qAp91+k89X+Sx7awQikdVo22LIQg8NLOkos8y87PcPU5RPGEAA7L+0j5vMC4hGDF[/tex]。

    • 4

      设X,Y为两个随机变量,且‏P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,‏则P{max(X, Y) ³ 0} = ( ).‏ A: 1/7 B: 3/7 C: 4/7 D: 5/7