楚顿([tex=3.571x1.0]MwTNwSd7f9+n5pxz5dXbEA==[/tex])规则: 指出在 [tex=5.0x1.0]gdmZN5U0fsgXv9xzeZk1OKgp64/njMw/ZPP3DNZe6Jg=[/tex]下达到沸点时,大多数液体的蒸发樀约为[tex=7.143x1.214]QakuX3J8VrpNm8um7Tzrlke4jAzjw0CQQo2Q9VICG83QOfKxLbVfIuuBhALPwc2eV78oK137R4eSF61Nz+tMtA==[/tex] 。对于([tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]) 摩尔质量为[tex=1.0x1.0]0KCelhZna0R9EGhYF1VZHA==[/tex]而沸点为[tex=1.929x1.357]SBuzCKt237H+jRH/bbcfI5hoOPgiHVnpMdkz3mHFEiE=[/tex]的液体,以及([tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]) 沸点为 [tex=3.929x1.071]xLnkJ6TX85aoydMvTZYsl/r04IjcIcH0038v/VYnGNE=[/tex]的甲苯。试求当压力从大约[tex=5.0x1.0]gdmZN5U0fsgXv9xzeZk1OKgp64/njMw/ZPP3DNZe6Jg=[/tex]时降低 [tex=4.0x1.0]FAKKN1SY5ZrWn1OLOQRM6Jtx3o5DZwGqx8/67eta6Ac=[/tex], 其沸点变化的近似表示式。(比较[tex=5.857x1.214]dzQnM37dirKmFNSWOyiYEA==[/tex], [tex=9.786x1.0]80xVaphtgQxgCGixIJfMlW0pRWETs7jicgxS5n/i/LQ=[/tex], [tex=2.357x1.0]puGEBS+C03+/bpwtUWwezg==[/tex], [tex=2.0x1.0]GPKi3OYglGadNXE//4MiWA==[/tex],[tex=1.5x1.0]9F01H0yKb+x+ONT/9RtE5w==[/tex])
举一反三
- 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}
- 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 。
- 设f(x)具有性质:[tex=8.571x1.357]8gPeznjMnng12qtkk9Vgczii1Sh4d1qJxc9iHYT5+YI=[/tex]证明:必有f(0)=0,[tex=5.5x1.357]rt5qCY7TXHcsFUQrD44nPA==[/tex](p为任意正整数)
- 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]