曲线y=lnx，y=lna，y=lnb，（0A: [img=71x43]1802ff0299f5558.gif[/img]
B: [img=78x46]1802ff02a2e30fc.gif[/img]
C: [img=66x46]1802ff02ab3b778.gif[/img]
D: [img=83x43]1802ff02b3f5694.gif[/img]
B: [img=78x46]1802ff02a2e30fc.gif[/img]
C: [img=66x46]1802ff02ab3b778.gif[/img]
D: [img=83x43]1802ff02b3f5694.gif[/img]
举一反三
- 曲线y=lnx，y=lna，y=lnb，（0<a<b）及y轴所围图形面积( ). A: [img=71x43]1802dff87fb1519.gif[/img] B: [img=78x46]1802dff88807513.gif[/img] C: [img=66x46]1802dff8903361c.gif[/img] D: [img=83x43]1802dff8990e0c0.gif[/img]
- 曲线y=lnx，y=lna，y=lnb，（0<a<b）及y轴所围图形面积( ). A: [img=71x43]1803cd8d29b86c2.gif[/img] B: [img=78x46]1803cd8d31c1a12.gif[/img] C: [img=66x46]1803cd8d3976f06.gif[/img] D: [img=83x43]1803cd8d429220c.gif[/img]
- 曲线y=lnx，y=lna，y=lnb，（0<a<b）及y轴所围图形面积( ). A: [img=71x43]1802d343d0d4882.gif[/img] B: [img=78x46]1802d343d835eed.gif[/img] C: [img=66x46]1802d343e119e0c.gif[/img] D: [img=83x43]1802d343ea095b6.gif[/img]
- 曲线y=lnx,y=lna,y=lnb,(0)及y轴所围图形面积( ). 未知类型：{'options': ['[img=71x43]17fa1514c1de236.png[/img]', '[img=78x46]17fa1515a38cfe8.png[/img]', '[img=66x46]17fa1516d882525.png[/img]', '[img=83x43]17fa1517b2b346b.png[/img]'], 'type': 102}
- 由[img=35x25]1803d355c182eb9.png[/img]上连续曲线y = f(x)及直线x =a,x= b(a <b)与x轴所围图形面积S=( ) A: [img=83x52]1803d355cabd312.png[/img] B: [img=95x53]1803d355d361a34.png[/img] C: [img=91x52]1803d355dc59dde.png[/img] D: [img=149x45]1803d355e4a0041.png[/img]