• 2022-10-25
    设幂级数[img=64x60]1803d45f052ddfb.png[/img]和[img=62x60]1803d45f0dd6468.png[/img]的收敛半径为[img=14x19]1803d45f1650e50.png[/img],[img=113x60]1803d45f1e3d93e.png[/img]的收敛半径为[img=20x22]1803d45f273c140.png[/img],则必有( )
    未知类型:{'options': ['', '', '', ''], 'type': 102}