求二重闭合曲线积分[img=257x48]180322a52b16393.png[/img]值
A: [img=31x43]180322a53393ec3.png[/img]
B: [img=31x43]180322a53c3db07.png[/img]
C: [img=31x43]180322a5459da64.png[/img]
D: [img=31x43]180322a54e95859.png[/img]
E: [img=31x43]180322a5576d1ef.png[/img]
F: [img=31x43]180322a55fbd314.png[/img]
G: [img=20x18]180322a5678e0af.png[/img]
H: [img=20x18]180322a570dd8ba.png[/img]
I: [img=20x18]180322a5792e124.png[/img]
J: [img=20x18]180322a5814c205.png[/img]
A: [img=31x43]180322a53393ec3.png[/img]
B: [img=31x43]180322a53c3db07.png[/img]
C: [img=31x43]180322a5459da64.png[/img]
D: [img=31x43]180322a54e95859.png[/img]
E: [img=31x43]180322a5576d1ef.png[/img]
F: [img=31x43]180322a55fbd314.png[/img]
G: [img=20x18]180322a5678e0af.png[/img]
H: [img=20x18]180322a570dd8ba.png[/img]
I: [img=20x18]180322a5792e124.png[/img]
J: [img=20x18]180322a5814c205.png[/img]
举一反三
- 180350c4756a81c.png及[img=42x22]180350c47d057da.png[/img]绕x轴旋转而成的旋转体的体积为（ ） A: [img=31x43]180350c4859013a.png[/img] B: [img=31x43]180350c48e95d27.png[/img] C: [img=31x43]180350c496fc02e.png[/img] D: [img=20x18]180350c49eb8025.png[/img]
- 由y=1/x,y=4x,y=0,x=2所围成图形绕x轴旋转成的旋转体体积 A: [img=31x43]1803c4137ccd13d.png[/img] B: [img=22x43]1803c4138458ff1.png[/img] C: [img=22x43]1803c4138c13df6.png[/img] D: [img=31x43]1803c41393e9fa9.png[/img]
- 由y=1/x,y=4x,y=0,x=2所围成图形绕x轴旋转成的旋转体体积 A: [img=31x43]1803c3ea995b2c8.png[/img] B: [img=22x43]1803c3eaa1814e8.png[/img] C: [img=22x43]1803c3eaa99c745.png[/img] D: [img=31x43]1803c3eab1fc82b.png[/img]
- 由抛物面[img=118x26]18030f998af1bc5.png[/img]与平面z=0所围立体的体积是 A: [img=20x18]18030f99929258c.png[/img] B: [img=31x43]18030f999c3de60.png[/img] C: [img=20x18]18030f99a46bfb7.png[/img] D: [img=29x18]18030f99acee4d9.png[/img] E: [img=31x43]18030f99b53cb3d.png[/img] F: [img=31x43]18030f99be8beb1.png[/img] G: [img=29x18]18030f99c67e30c.png[/img] H: [img=20x18]18030f99ce10634.png[/img]
- 由抛物面[img=118x26]180385724c105a5.png[/img]与平面z=0所围立体的体积是 A: [img=20x18]1803857254be2c9.png[/img] B: [img=31x43]180385725c5c8b2.png[/img] C: [img=20x18]180385726472fe6.png[/img] D: [img=29x18]180385726dbca71.png[/img] E: [img=31x43]1803857277203d7.png[/img] F: [img=31x43]180385727f7a1e2.png[/img] G: [img=29x18]180385728890eac.png[/img] H: [img=20x18]18038572915d7ad.png[/img]