设[img=42x25]18036a7a22374dd.png[/img]代表“x是人”,[img=36x25]18036a7a2afe36b.png[/img]代表“x会犯错”,那么“没有不犯错误的人”可以形式化为
A: [img=156x25]18036a7a3446656.png[/img]
B: [img=140x25]18036a7a3c378ea.png[/img]
C: [img=132x25]18036a7a450bff3.png[/img]
D: [img=164x25]18036a7a4e7768f.png[/img]
E: [img=135x29]18036a7a5c09396.png[/img]
A: [img=156x25]18036a7a3446656.png[/img]
B: [img=140x25]18036a7a3c378ea.png[/img]
C: [img=132x25]18036a7a450bff3.png[/img]
D: [img=164x25]18036a7a4e7768f.png[/img]
E: [img=135x29]18036a7a5c09396.png[/img]
举一反三
- 设[img=42x25]1803a0f494fb904.png[/img]代表“x是人”,[img=36x25]1803a0f49d5ddd9.png[/img]代表“x会犯错”,那么“没有不犯错误的人”可以形式化为 A: [img=156x25]1803a0f4a5f41ad.png[/img] B: [img=140x25]1803a0f4af44e03.png[/img] C: [img=132x25]1803a0f4b80eb08.png[/img] D: [img=164x25]1803a0f4c0a1ca4.png[/img] E: [img=135x29]1803a0f4cadfa55.png[/img]
- 设X,Y为两个随机变量,且[img=179x25]1803395d555effc.png[/img] , [img=226x25]1803395d61f1a43.png[/img] ,则[img=143x25]1803395d6f00057.png[/img]= ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 设(X,Y)的分布律为[img=317x47]18039fa216cb556.png[/img]V=max(X,Y), 则P(V=1)等于 A: 1/7 B: 2/7 C: 3/7 D: 4/7
- 设(X,Y)的分布律为[img=317x47]18036e2ccb88792.png[/img]V=max(X,Y), 则P(V=1)等于 A: 1/7 B: 2/7 C: 3/7 D: 4/7