若函数[tex=3.143x1.214]84vUs5kOxMOIsI52p9m3xg==[/tex]与[tex=5.786x1.571]KBGh1alsp4gQ5oY4u87RRet8l6FkZCEDTI2XJJCifLc=[/tex]表示相同的函数，则它们的定义域为
未知类型：{'options': ['[tex=4.786x1.357]WafKDm5071vVz9IYJgBhj8LbdrnQF2M50OcMtr5E7Yg=[/tex]', '[tex=3.286x1.357]izrAoMSC5gwtRLdW7G82Iw==[/tex]', '[tex=4.214x1.357]2zVui6Imjur5QoHM+yidxA==[/tex]', '[tex=4.214x1.357]oaSMQZvsrM0Sx7SIDNdjFw==[/tex]'], 'type': 102}
未知类型：{'options': ['[tex=4.786x1.357]WafKDm5071vVz9IYJgBhj8LbdrnQF2M50OcMtr5E7Yg=[/tex]', '[tex=3.286x1.357]izrAoMSC5gwtRLdW7G82Iw==[/tex]', '[tex=4.214x1.357]2zVui6Imjur5QoHM+yidxA==[/tex]', '[tex=4.214x1.357]oaSMQZvsrM0Sx7SIDNdjFw==[/tex]'], 'type': 102}
举一反三
- 下列函数是哪些函数复合而成的？（1）[tex=4.214x1.286]6PuLCl/TwscTl61WSePGog==[/tex]；（2）[tex=5.214x1.286]+mZ2Cm2OprRKGTGg0iqmyZx+4lZ796PxrSQNx30R9UU=[/tex]；（3）[tex=4.214x1.357]jTbrMH55vzOFOJlLSnfh103OHFmRhIjXZGzPnfweOX0=[/tex]；（4）[tex=6.071x1.286]W2A0mViHY0pK74wEByr6ED5K+AKV/pxHaeQdYGQBxwc=[/tex]；（5）[tex=6.714x1.429]8up/G1s+GteD9ejcGkFVmYl3TTtTik5kuwrPDCv0JkbGIWyY33cnaw7XtBiPcSnh[/tex]；（6）[tex=5.714x1.286]APaFs2rWyubdkzLcUVVxVJSSAsLEOtXn4KjnToE2BQA=[/tex]；
- 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 。
- 以下药物的常用剂量：[tex=1.929x1.0]k5gX5ax4U+yFz/Dh2PzmKQ==[/tex] 未知类型：{'options': ['0. 3 ~0. 5[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '10 ~ 20[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '20 ~30[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '1 ~ 2[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '50 ~ 80[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]'], 'type': 102}
- 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}
- 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]