图示连续梁，EI=常数，已知支承B处梁截面转角为[img=115x27]1803d193b930f29.png[/img]（逆时针向），则支承C处梁截面转角[img=21x18]1803d193c20fedc.png[/img]应为：[img=171x104]1803d193cd46e6f.png[/img]
A: [img=84x27]1803d193d628ef6.png[/img]
B: [img=93x27]1803d193de7482c.png[/img]
C: [img=93x27]1803d193e6b536b.png[/img]
D: [img=93x27]1803d193ef3df28.png[/img]
A: [img=84x27]1803d193d628ef6.png[/img]
B: [img=93x27]1803d193de7482c.png[/img]
C: [img=93x27]1803d193e6b536b.png[/img]
D: [img=93x27]1803d193ef3df28.png[/img]
举一反三
- 图示连续梁，[img=41x19]18034c393a648f3.png[/img]常数，已知支承[img=14x19]18034c3942cf7e9.png[/img]处梁截面转角为：[img=105x27]18034c394aeed80.png[/img]（逆时针向），则支承[img=13x19]18034c39536a519.png[/img]处梁截面转角[img=18x18]18034c395b6762b.png[/img]应为：[img=259x151]18034c39660a79b.png[/img] A: [img=73x27]18034c396eba336.png[/img] B: [img=82x27]18034c397771877.png[/img] C: [img=82x27]18034c397ffc5bc.png[/img] D: [img=82x27]18034c39883a96b.png[/img]
- 随机变量X服从参数为2的泊松分布，F(x)是X的分布函数，则以下结果正确的是 A: [img=84x27]1803915dd0fa1fd.png[/img] B: [img=98x27]1803915dd94baf2.png[/img] C: [img=107x27]1803915de1b0af0.png[/img] D: [img=107x27]1803915de9da123.png[/img] E: [img=82x25]1803915df33a2e2.png[/img] F: [img=93x27]1803915dfc23b5b.png[/img] G: [img=93x27]1803915e0456f39.png[/img] H: [img=82x25]1803915e0bba078.png[/img] I: [img=129x27]1803915e1388fad.png[/img]
- 随机变量X服从参数为2的泊松分布，F(x)是X的分布函数，则以下结果正确的是 A: [img=84x27]1802d3e8d3a4abc.png[/img] B: [img=98x27]1802d3e8db73b68.png[/img] C: [img=107x27]1802d3e8e3777dc.png[/img] D: [img=107x27]1802d3e8ec6fc6e.png[/img] E: [img=82x25]1802d3e8f4cd368.png[/img] F: [img=93x27]1802d3e8fd97575.png[/img] G: [img=93x27]1802d3e905768e1.png[/img] H: [img=82x25]1802d3e90d52c74.png[/img] I: [img=129x27]1802d3e91580a21.png[/img]
- f(x)在x处可导，a，b为常数，则[img=27x32]1802fa0c04c2042.png[/img][img=234x25]1802fa0c10631ae.png[/img]= A: [img=93x26]1802fa0c195a7ad.png[/img] B: [img=93x26]1802fa0c2233a71.png[/img] C: [img=39x26]1802fa0c2adc024.png[/img] D: f(x)
- 函数[img=121x37]17e4390faefecbb.png[/img]的极值为() A: 在x=-2处取极大值27 B: 在x=-2处取极小值27 C: 在x=-3处取极小值27 D: 在x=-3处取极大值27