[img=429x141]1802e9fbf5bb63b.bmp[/img]
A: [img=27x33]1802e9fc013038a.bmp[/img]
B: 0
C: [img=27x33]1802e9fc0c5174a.bmp[/img]
D: [img=27x33]1802e9fc16a56f6.bmp[/img]
A: [img=27x33]1802e9fc013038a.bmp[/img]
B: 0
C: [img=27x33]1802e9fc0c5174a.bmp[/img]
D: [img=27x33]1802e9fc16a56f6.bmp[/img]
举一反三
- A: 1 B: 0 C: [img=27x33]1803c13bcd81cb6.bmp[/img] D: [img=27x33]1803c13bd88d59d.bmp[/img]
- A: 1 B: 0 C: [img=27x33]1802e9fa757026e.bmp[/img] D: [img=27x33]1802e9fa803413b.bmp[/img]
- 曲线 [img=110x21]17e0b932ef522f3.jpg[/img]与 x轴所围成的图形的面积为 未知类型：{'options': ['', ' [img=27x33]17e0b933080377d.jpg[/img]', ' [img=27x33]17e0b9331268fb2.jpg[/img]', ' [img=27x33]17e0b9331ce93b6.jpg[/img]'], 'type': 102}
- 设随机变量X服从b(2,p)分布,随机变量Y服从b(3,p)分布。若[img=90x41]17e441ea7c518a0.png[/img] 则[img=63x26]17e441ea85da5ea.png[/img]= A: 8/27 B: 4/9 C: 19/27 D: 5/9
- A: [img=27x33]18037070bad438e.bmp[/img] B: [img=27x33]18037070c6010d8.bmp[/img] C: [img=119x46]18037070d0e8ade.bmp[/img] D: 1