• 2022-06-11
          电路如题图 11-19 所示。已知 [tex=12.643x1.214]p0fA5VkWIJxsOcplqPZ8csYD2nGxhO+GBU7+HhAOU8k=[/tex], 且测得[tex=9.571x1.214]YrKZTQt1338at/Hmau/AJgF6SKM3nQ4+vIm5+UfZZRU=[/tex]。求: [tex=6.571x2.214]r4h2BjFc4hZ8c494j65BqML3weV2ZgXANlVGu/WsZW6a0jSbtfeIPWsTFC/IUOcm[/tex](2)[tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex]及[tex=1.143x1.214]akFdfHl3PdcRxRUQleHWdA==[/tex] 。[br][/br]17ab4361d021833.png
  • [tex=21.286x2.214]CKlMUeFUZH0EoA+ADXPvkGUGgxQr0MBSTqVF5veZd0Mx6i5tVDcXx8wchflbh5XMCm4/IqjTJ9BrYP02J/YIoZZdyRVnHd8mgMbFw60ho9VcjN89+MU5tSJRmiqCLUK0[/tex]

    举一反三

    内容

    • 0

      “[ 2*x+2 for x in range(5) ]”生成的列表是( )。 A: [2, 4, 6, 8, 10] B: [0, 2, 4, 6, 8] C: [1, 2, 3, 4, 5] D: [0, 1, 2, 3, 4]

    • 1

      假设“☆”是一种新的运算,若3☆2=3×4,6☆3=6×7×8,x☆4=840(x>0),那么x等于: A: 2 B: 3 C: 4 D: 5 E: 6 F: 7 G: 8 H: 9

    • 2

      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?

    • 3

      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]

    • 4

      已知[tex=5.0x1.286]nNRgYScRPw16N2lBJqtTsA==[/tex],[tex=5.0x1.286]ZIJz5gTGIgdeWAGMFdoL1A==[/tex],则[tex=6.214x1.286]wE5wtWoL9HR6uGPZrIzvHA==[/tex]成立的[tex=0.571x1.286]XubEW9+1+hkJqH7jXe5MrA==[/tex]值为 A: 1 B: 2 C: 4 D: 6 E: 8