计算积分 [img=164x52]1803b752a40c841.png[/img]
A: [img=9x43]1803b752abe859d.png[/img]
B: 0
C: 1
D: [img=25x43]1803b752b3360a0.png[/img]
A: [img=9x43]1803b752abe859d.png[/img]
B: 0
C: 1
D: [img=25x43]1803b752b3360a0.png[/img]
举一反三
- 计算积分 [img=164x52]1802e546c099725.png[/img] A: [img=9x43]1802e546c911311.png[/img] B: 0 C: 1 D: [img=25x43]1802e546d1c4e40.png[/img]
- 计算积分 [img=164x52]18030bc4b405d94.png[/img] A: [img=9x43]18030bc4bc03c4c.png[/img] B: 0 C: 1 D: [img=25x43]18030bc4c477044.png[/img]
- 计算积分 [img=164x52]18033f120a60912.png[/img] A: [img=9x43]18033f1212a8f6e.png[/img] B: 0 C: 1 D: [img=25x43]18033f121ac6468.png[/img]
- 计算积分 [img=164x52]1802f660d27d411.png[/img] A: [img=9x43]1802f660da77691.png[/img] B: 0 C: 1 D: [img=25x43]1802f660e265ca5.png[/img]
- 计算积分 [img=164x52]1803403862d8c15.png[/img] A: [img=9x43]180340386aca048.png[/img] B: 0 C: 1 D: [img=25x43]1803403873400fb.png[/img]