以[img=92x23]18039c989e2745c.png[/img]为特解的二阶线性齐次微分方程为（ ）．
A: [img=172x26]18039c98a7ea875.png[/img]
B: [img=172x26]18039c98b075c4f.png[/img]
C: [img=172x26]18039c98b90611b.png[/img]
D: [img=172x26]18039c98c1d0dd6.png[/img]
A: [img=172x26]18039c98a7ea875.png[/img]
B: [img=172x26]18039c98b075c4f.png[/img]
C: [img=172x26]18039c98b90611b.png[/img]
D: [img=172x26]18039c98c1d0dd6.png[/img]
举一反三
- 以[img=92x23]18036eecc8d2005.png[/img]为特解的二阶线性齐次微分方程为（ ）． A: [img=172x26]18036eecd1a3d10.png[/img] B: [img=172x26]18036eecda732e6.png[/img] C: [img=172x26]18036eece302294.png[/img] D: [img=172x26]18036eeceabba54.png[/img]
- 以[img=92x23]1802cfcc12b0961.png[/img]为特解的二阶线性齐次微分方程为（ ）． A: [img=172x26]1802cfcc1b77400.png[/img] B: [img=172x26]1802cfcc24975ff.png[/img] C: [img=172x26]1802cfcc2db41fe.png[/img] D: [img=172x26]1802cfcc3688b5a.png[/img]
- 1803425dbc03eb7.png核外电子排布式为 A: [img=172x26]1803425dcbe7435.png[/img] B: [img=148x26]1803425dd4aae07.png[/img] C: [img=172x26]1803425de1dd111.png[/img] D: [img=172x26]1803425df0922c0.png[/img]
- 下列基态电子排布式中不正确的是 A: [img=25x22]1803425ee48b0df.png[/img] B: [img=147x26]1803425eeca03f1.png[/img] C: [img=172x26]1803425ef4c87dd.png[/img] D: [img=172x26]1803425f01c3c88.png[/img]
- 下列基态原子电子排布式中不正确的是 A: [img=25x22]180342603d60a06.png[/img] B: [img=74x26]18034260462a4d9.png[/img] C: [img=172x26]18034260539ed05.png[/img] D: [img=172x26]1803426061bbd54.png[/img]