给定自然数集[tex=0.857x1.0]+NBI8Pm2vVS+bGgOpHKyOA==[/tex] 的下列子集[tex=32.5x1.357]vyehfHaLcpgxtsjmsTARZ+HhOP4jF56CnaiN42xmlMTfPv5PUjUHW8u7fzbWUbShkW+40VgNxbSdXMWkvGxuN4w09sxpg1kqUi+kDD7fpGdZf/dv5xBj0qyVLL1jpzr9b4Yj/mFSD4EB34CJFX+lnV9Lclikr2vsFMRwaPuZAUY=[/tex][tex=9.571x1.357]Xdsh5e/tEcfUpKrmoTYZyUixepclZvzvKPl/quvU6aE=[/tex]将下列集合表示为由[tex=5.571x1.214]emZrxveJ2kXtCty+QIDR+Q==[/tex]产生的集合:(1) [tex=4.357x1.357]PHATP9GkHdhNp8Z+iJQLmw==[/tex](2) [tex=3.429x1.357]noV3L0dtmfAR89R/yCd2KQ==[/tex](3) [tex=2.0x1.357]NsJUTGEs1cWgk/xzFCzMYQ==[/tex](4) [tex=3.286x1.357]ubJOHLuIcf6s8ETd+cSntA==[/tex]或[tex=1.929x1.0]Ahmfdo6bCmnogYpp4NRgvg==[/tex]或 [tex=3.0x1.357]J6MN80OwtkTVh8+LfhPr9Q==[/tex](5) [tex=2.0x1.357]lEo+FWUBanQim2m9D5ICsA==[/tex]是偶数且 [tex=2.429x1.143]hD03ONZa8TO3IbqeWll/+g==[/tex]或[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]是奇数且[tex=3.0x1.357]qffmCHOkBsoxe+jZdffDDQ==[/tex](6)[tex=2.0x1.357]lEo+FWUBanQim2m9D5ICsA==[/tex] 是6的倍数[tex=0.5x1.357]tYIBPw2wmye+O4Q/KDTd8A==[/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]
- 对 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]的不同值,分别求出循环群[tex=1.143x1.214]StMMJ6qThnpokZJIPGrdFyP3vrLnUdltYxmLxjw8za8=[/tex]的所有生成元和所有子群。(1) 7; (2) 8; (3)10 ;(4) 14 ; (5) 15 (6) 18 。
- 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?
- 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