已知函数 [tex=3.143x1.357]ee8UVMi6ncRcyeiuuPl14g==[/tex] 在任意点[tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex]处的增量 [tex=8.071x2.214]7tYySjHYW8LuxAJE53ZvIWcTrBQqRpH8FQkcRvm5uNB1kaXLOiSI90TnGKBbIRXa[/tex]且当 [tex=2.929x1.0]kleDl5H7IWdlI0XLG1oyXvsyEso4EDYcgSGHu10Dqb8=[/tex] 时, [tex=0.571x0.786]HXNXn3AXpwdIpZt8+6oCEw==[/tex] 是 [tex=1.429x1.0]54yn7Wl6fo9rYxAJuV4Szg==[/tex] 的高阶无穷小, [tex=3.143x1.357]6eg2K/WhsGq+cYxeYbmN7g==[/tex], 则 [tex=1.786x1.357]mOtnZh8tN3G4Lsi1abQegQ==[/tex] 等于 .
未知类型:{'options': ['[tex=1.071x1.0]wqWJQsRu/vA/9Av6VITTGQ==[/tex]', '[tex=0.571x0.786]N02a8LR+X7uadF7bDYMkPA==[/tex]', '[tex=1.0x1.214]oENnQOHvXgoKfhc9LaDn12qDYYlraTOsYGP34plpZyI=[/tex]', '[tex=1.571x1.214]nHog/xbfXXEJB7c+bKz1PLQLkRVADPG+7BYoPJoH1BI=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=1.071x1.0]wqWJQsRu/vA/9Av6VITTGQ==[/tex]', '[tex=0.571x0.786]N02a8LR+X7uadF7bDYMkPA==[/tex]', '[tex=1.0x1.214]oENnQOHvXgoKfhc9LaDn12qDYYlraTOsYGP34plpZyI=[/tex]', '[tex=1.571x1.214]nHog/xbfXXEJB7c+bKz1PLQLkRVADPG+7BYoPJoH1BI=[/tex]'], 'type': 102}
举一反三
- 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 。
- 某人对商品x的需求函数是[tex=5.214x1.214]0m6eBd5eyK0NjuxeKfwtIw==[/tex],[tex=4.214x1.214]I717YsPbj8Rnym1v2XQ+sFNkUl7mqUsGwbjwjXmy2xc=[/tex],这里[tex=0.571x1.0]Za328cIB4SeR7rrzY+MM5Q==[/tex]是[tex=0.571x0.786]ZSLOI4fiO1oAbVC5M8IVkA==[/tex]的价格。如果商品x 的价格是0.5元,那么他对商品x的需求价格弹性是 未知类型:{'options': ['-10', '- 1/5', '-1/10', '\xa0- 1/3'], 'type': 102}
- 假设所有变量均为整型, 则表达式[tex=10.571x1.357]LwbIklUNi3bG92VfuhR/2s2h8bPim4KlwMHG5pBJ+3PKMuWS/4OGtcmSMjC2vxzVyrIKC8OVgBRFsqcS0s1A1u2X9g+VlWD58VLIpTfy7/0=[/tex]后[tex=0.571x0.786]FLCxr+5eRIYnIT0kyTRrXg==[/tex]的值为 未知类型:{'options': ['7', '8', '6', '2'], 'type': 102}
- 若:(1)函数 f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数;(2)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]有导数;(3)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数及函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数,则函数[tex=5.643x1.357]GmtX7Vop79exGU/rpqXUYw==[/tex]在已知点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]的可微性怎样?
- 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]