下列方程所表示的曲线中,是同一条曲线的有( ).
A: [img=125x52]1803d46617daf65.png[/img]
B: [img=125x54]1803d46622e04ec.png[/img]
C: [img=125x54]1803d4662e0f25a.png[/img]
D: [img=125x54]1803d4663959b77.png[/img]
A: [img=125x52]1803d46617daf65.png[/img]
B: [img=125x54]1803d46622e04ec.png[/img]
C: [img=125x54]1803d4662e0f25a.png[/img]
D: [img=125x54]1803d4663959b77.png[/img]
举一反三
- 下列方程所表示的曲线中,是同一条曲线的有( ). A: [img=125x52]1802fe7d732f658.png[/img] B: [img=125x54]1802fe7d7e9ff3d.png[/img] C: [img=125x54]1802fe7d8a59589.png[/img] D: [img=125x54]1802fe7d954acf8.png[/img]
- 设随机变量X~B(3, 0.4),[img=102x27]18037032d38dcea.png[/img], 则P(Y=1)的值为 A: 0.504 B: 63/125 C: 0.432 D: 0.288 E: 0.496 F: 27/125 G: 36/125 H: 4/25
- 设随机变量X~B(3, 0.4),[img=102x27]1802d3ec87fec7a.png[/img], 则P(Y=1)的值为 A: 0.504 B: 63/125 C: 0.432 D: 0.288 E: 0.496 F: 27/125 G: 36/125 H: 4/25
- 设随机变量X~B(3, 0.4),[img=102x27]1802d3e98bc8803.png[/img], 则P(Y=1)的值为 A: 0.504 B: 63/125 C: 0.432 D: 0.288 E: 0.496 F: 27/125 G: 36/125 H: 4/25
- 下列等式成立的是 A: [img=110x56]18034526cb15a9a.png[/img] B: [img=102x55]18034526d3c8d88.png[/img] C: [img=125x54]18034526db64910.png[/img] D: [img=104x71]18034526e325edd.png[/img]