举一反三
- 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]
- 设[tex=10.5x4.5]0Oc6OdDyTxw5ASPscCgHyQTjzyAq7O5HSnvHbbqisiSMWgEnM25rY7NoKQsRZ8iiXtGz2q4UKzYFzXMESa/nJRYStQ33sliJWiIdTUfuMS0OrIJfnC74Ict7WkFFq1Cb[/tex][tex=3.786x1.357]HUTcRsXSlQcTCAwXrww+FwOZnPRb609NcjPqrvrCOmU=[/tex]求[tex=3.643x1.357]gGs8zJ7qveEhBfMENtMDNA==[/tex]及[tex=3.643x1.357]nwxJDG6cVrmuxbaR9/qLTA==[/tex].
- 已知点[tex=3.643x1.357]VivkmExBGYOa1usZsWD+HA==[/tex]及点[tex=3.643x1.357]UgnqYO3iPWcwxNXTHTQkUQ==[/tex],试在[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]轴上求一点[tex=0.714x1.0]J/aA9EEo0KmJFnWWfX7LmQ==[/tex],使[tex=3.143x1.214]pQSzstHbMNQUlNb8ezn/Ag==[/tex]的面积最小。
- 下列离子与 [tex=3.143x1.214]Iu3GvEDAy9XfM0Y8M/0bzg==[/tex] 进行 [tex=1.714x1.214]5dVbmt4bIItRZ0kFrVrPpw==[/tex] 反应活性顺序是 A. [tex=3.643x1.357]MVCg0bUGJ9j8RQmbzIlFxLRKqHX/TPwD2W3RUz7Lj/4=[/tex]B. [tex=2.286x1.143]/bvsKWib5oQ6hcI6DIhXEQ==[/tex]C. [tex=3.643x1.357]4DNVFakBfKRXDSdFhY5T4OZDccaMAJk5Xemt4xNHPfA=[/tex]D. [tex=4.786x1.357]UvE/jC+BZ5eQk9PMEsXjF5PqULB3H+9bGCfxDZjkz6o=[/tex]
- 假设 [tex=1.714x1.214]jr6aMjtaV850RqNnVJ0SPw==[/tex] 是两个事件,已知 [tex=14.857x1.357]tdxIVqHY3LqF57GGMDBkNSJbTXqNDdt/6hO6Y6Sbr6Dj2p1Y0e2buVINTS3KfcJU[/tex],计算 [tex=3.643x1.357]TzM+nt6hL5QxI3Qxqj2mNA==[/tex] 和 [tex=3.643x1.357]7wCbLzjLuE7uWR6rqIm54w==[/tex].
内容
- 0
设f(x)在[0,a]上连续,在(0,a)内可导,且f(a)=0,证明至少存在一点[tex=3.643x1.357]lTsOOhJ85nTn3mrT2Mx0lw==[/tex]使[tex=6.286x1.429]JZ8spbP5y8lrG0FgeChLIS7LPAFOZNl0MwLjGUb1ZoE=[/tex]
- 1
设[tex=0.929x1.0]9MCaa3NdBrky4bnBPtTtgw==[/tex]为四阶矩阵,且[tex=3.429x1.357]dYcL9NtiYXHAsxWaaTXNyg==[/tex],则[tex=3.643x1.357]K61mVROvnMmG4VfTKldoUJpacWgNjgbg3TOLujupPak=[/tex] 未知类型:{'options': ['0', '1', '2', '3'], 'type': 102}
- 2
下列离子与[tex=3.143x1.214]dkKPpIxIrDbYJfzpWnSdhQ==[/tex]进行[tex=1.714x1.214]MFQ5ztTVwu04OlwGLdJVQA==[/tex]反应的活性顺序 [input=type:blank,size:4][/input]A. [tex=3.643x1.357]XaCGtZczxL8NjjhANfhXzQ==[/tex]B. [tex=2.286x1.143]yqYaUkkV8PQ2XgidynA/ew==[/tex]C. [tex=3.643x1.357]JqkepHofUnO9ihbRzdYJ6Q==[/tex]D. [tex=4.786x1.357]uY2zJtKkGu54sCQdm/xGXg==[/tex]
- 3
求下列方程所确定的函数y=y(x)的二阶导数:[tex=3.643x1.357]tgggOD2tqBwD+Cvr8NozT5M4Z8ntJlcK9xwnvoMIDYM=[/tex].
- 4
按自然数从小到大为标准次序,求排列的逆序数:1 3 [tex=1.286x0.786]mzJ2At/eEAylcNldvT55Vg==[/tex] [tex=3.643x1.357]l0Tg5gMIs72qRrV7yVtSvQ==[/tex] 2 4 [tex=1.286x0.786]mzJ2At/eEAylcNldvT55Vg==[/tex] [tex=1.929x1.357]vBd6vfPcpVs8b7FI69ub+A==[/tex].