A、因<img id=\""ODokyeyTEMP20180523110843394.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODokyeyTEMP20180523110843394.png?Expires=1842404923&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=aZm8zK0DkXioAfjswAOc1HtoCwU%3D\"" \/>,故级数收敛
B、因<img id=\""ODafxwdTEMP20180523110843369.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODafxwdTEMP20180523110843369.png?Expires=1842404923&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0hWlQe1\/qFmVT779E\/igrT7n1Ts%3D\"" \/>,故级数收敛
C、因<img id=\""ODanxsaTEMP20180523110843689.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODanxsaTEMP20180523110843689.png?Expires=1842404924&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=7A5gA4JScYQx9gGvNWCqzr8L6tM%3D\"" \/>故级数发散
D、因为<img id=\""ODqfzoiTEMP20180523110844844.png\"" src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/OD\/TEMP\/2018\/0523\/ODqfzoiTEMP20180523110844844.png?Expires=1842404925&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=9oHRogDoEXBnLeM4AfJpJObMlDA%3D\"" \/>故级数发散