• 2022-06-15
    试证明下列命题:设 [tex=3.143x1.214]AzD8UYoy+kTlHC4wZn4aJg==[/tex] 是 [tex=1.286x1.0]LVtrVoR3luZyUPe3gwSlPw==[/tex] 中的可测集. 若有 [tex=11.071x1.357]QURnCNizZmx2Wuk4uVBiIyPekrjdShOdEyaw5P27I4YKeyZK4m9Co5ygQczYHS/y[/tex], 则[tex=5.357x1.357]jdTEC/KQ2oT8vI09BgTXCVa4JDczCAwm3s5qm+UYPow=[/tex].
  • 注意[tex=15.286x3.071]ifE9NWj3X6IpRVSt3T5ITt5H16cXyKEgF/Xo+5THWKuSq3pim2A/VULaCR0nRZjEy7SF+af9o8mH0N2CQJ1ExR9hWGOCBiPiQhTS5KH/zeKu3AJ7rLC/SuDIRw9qh40REx8UzVK3zNlFHzb1Cl5b37ZIVsQOKH0zAQh6PSQHV3I+KpoT/BlWIuHkiUvuK9sirt51RdLJ/i8ynUmEX+i1h5ua2a+jXSjjiMXfg1I2HG8=[/tex]

    举一反三

    内容

    • 0

      6个顶点11条边的所有非同构的连通的简单非平面图有[tex=2.143x2.429]iP+B62/T05A6ZTM0eeaWiQ==[/tex]个,其中有[tex=2.143x2.429]ndZSw3zT0QTOVLVdoUto1Q==[/tex]个含子图[tex=1.786x1.286]J+vVZa2YaMpc6mJBbqVvWw==[/tex],有[tex=2.143x2.429]lmhx48evnQMhi03NovPXig==[/tex]个含与[tex=1.214x1.214]kFXZ1uR8GjycbJx+Ts2kyQ==[/tex]同胚的子图。供选择的答案[tex=3.071x1.214]3KinXFh3SXhZ7nIe1y9KEV6aadxhhJWeEy6Dij1iObdMUZkY6ZA5J2dVVjPSuhEf[/tex]:(1) 1 ;(2) 2 ;(3) 3 ; (4) 4 ;(5) 5 ;(6) 6 ; (7) 7 ; (8) 8 。

    • 1

      求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex](抛物线)隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?

    • 2

      判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]

    • 3

      试证明下列命题:设 [tex=3.357x1.071]8kil1yT/0eFIrhCcZbOF0TSrZFmBG3cUFIqg+23g+3Y=[/tex] . 若存在 [tex=1.286x1.0]LVtrVoR3luZyUPe3gwSlPw==[/tex]中可测集 [tex=0.786x1.0]kEam2pLJe4uAYVdcny2W5g==[/tex], 使得 [tex=5.714x1.357]p5gT9OrxH8U1pBSvSDq8vXUpRC84DVHfRAVPbuFE6D8=[/tex], 则 [tex=2.714x1.071]TcBwSKJYG/iJ8JiUR56l/foTWQ0hg+0yyhZOIJUtJHw=[/tex] , 且有 [tex=5.643x1.357]eRZvw7mNSg8M86oqzlp1Xw==[/tex] .

    • 4

      已知[tex=10.786x1.357]oPxEQGciaJq0uWonaJqXssvTKx2aAMqoshLd51U2O4M=[/tex],若[tex=2.0x1.214]IENxQEh5u4RdnCaqHm72Xg==[/tex]相互独立,则[tex=3.0x1.357]cl60lRnHnAb2Fyha9FYNvw==[/tex] A: 1/2 B: 1/3 C: 2/3 D: 3/4