A、因<img id=\""ODykxjhTEMP20180523111141417.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODykxjhTEMP20180523111141417.png?Expires=1842405102&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=14iKYiay4UU6vDIo%2Bf9xZ3ZtYOM%3D\"" \/>,故级数收敛
B、因<img id=\""ODdkvbhTEMP20180523111141744.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODdkvbhTEMP20180523111141744.png?Expires=1842405102&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=F32KnPcUDW8s5z2\/uWetk9RNmWo%3D\"" \/>,故级数收敛
C、因<img id=\""ODxqcxdTEMP20180523111142075.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODxqcxdTEMP20180523111142075.png?Expires=1842405102&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=AvpYqgSR9E1w87jfQhFNxgLvmB8%3D\"" \/>故级数发散
D、因为<img id=\""ODlwbbgTEMP20180523111142742.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODlwbbgTEMP20180523111142742.png?Expires=1842405103&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=L%2B3ptF5LAu0iygBq\/oaYCCq7Clo%3D\"" \/>故级数发散