设[tex=4.5x1.357]b4CLct61E2aWP3Wn8DcsXw==[/tex]，[tex=3.071x1.214]fdUmbtzE7SEfYHjD4QrAiA==[/tex]，求[tex=1.214x1.0]tDNj5aoJETJiravoifVs8Q==[/tex] .
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 。
- 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4阶行列式[tex=8.643x4.786]kCqzrKR+UWkjw9qkP+VysJkXZPW4gGy3WQYxeVBjPyscbkh4jaqeuzTHKb8ADzZillEJv//dDYsA3eIgtl1m/nm9OC7iB1bU2mKbtX9y2U+l+hgZ+eGWwjw5nXaWh08GIKETM5w8LxpwKqz3U8YNoNCZ5N3cNaZXoyN7V8Cd6/8=[/tex]，求[tex=9.786x1.286]ZzzqfAYue2NjktxDTXMzCBfMGki0q7fbkxRSW9V8r5u5UHngG2n2H+IYF6KiCpGl[/tex] .
- 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?
- 求[tex=1.571x1.5]InBONLymcD+/JHFX8MFz/Q==[/tex]，设[tex=4.5x1.357]4GOw7s16xzTCmNGN1e3BTvrqGAmzGs/+m5iX9dQmS3A7qpE0bk/mtOlQSlmJPpiw[/tex]，其中[tex=2.0x1.357]GY9zSNHKWBpfBGAvg7Gr+g==[/tex]为多项式