图中各个力之间的关系 。[img=256x135]1802d572cbdf585.png[/img]
A: [img=131x25]1802d572d4143fd.png[/img]
B: [img=100x25]1802d572dc7cb3c.png[/img]
C: [img=100x25]1802d572dc7cb3c.png[/img]
D: [img=100x25]1802d572eea91af.png[/img]
A: [img=131x25]1802d572d4143fd.png[/img]
B: [img=100x25]1802d572dc7cb3c.png[/img]
C: [img=100x25]1802d572dc7cb3c.png[/img]
D: [img=100x25]1802d572eea91af.png[/img]
举一反三
- 图中各个力之间的关系 。[img=256x135]18038b03730a360.png[/img] A: [img=131x25]18038b037c73ea5.png[/img] B: [img=100x25]18038b03861debd.png[/img] C: [img=100x25]18038b03861debd.png[/img] D: [img=100x25]18038b039703d6d.png[/img]
- 图中各个力之间的关系 。[img=292x142]1802d572d46da39.png[/img] A: [img=131x25]1802d572dcf9404.png[/img] B: [img=100x25]1802d572e59bdbe.png[/img] C: [img=92x25]1802d572ee430fe.png[/img] D: [img=100x25]1802d572f608f22.png[/img]
- 图中各个力之间的关系 。[img=292x142]1803e2e8a98c30a.png[/img] A: [img=131x25]1803e2e8b29e1ba.png[/img] B: [img=100x25]1803e2e8bab14fc.png[/img] C: [img=92x25]1803e2e8c2ab82c.png[/img] D: [img=100x25]1803e2e8caf5701.png[/img]
- 图中各个力之间的关系 。[img=292x142]18038b037c5f032.png[/img] A: [img=131x25]18038b0385ee1b5.png[/img] B: [img=100x25]18038b038f42c56.png[/img] C: [img=92x25]18038b0398dcae3.png[/img] D: [img=100x25]18038b03a14bb62.png[/img]
- 设连续型随机变量X的概率密度函数为f(x),分布函数为F(x),则对任意实数a,( ) A: [img=134x25]18035d8b1ab1984.png[/img] B: [img=100x25]18035d8b22c648d.png[/img] C: [img=114x25]18035d8b2b21f9a.png[/img] D: [img=131x25]18035d8b33a2006.png[/img]