级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/935447bc8a0e422da4b2fffe794e497d.png发散。&nbsp;(&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; )<br>

级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7216b2cf713e4022a8951e8e701d2fca.png发散。(&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;)<br>

已知http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/4b2b0bc2a81c4059b4ee54fd2d4ca9b8.png，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1bc083ffe16c4d17a12236cd29409de6.png(&nbsp; &nbsp; &nbsp; &nbsp; )<br>

若级数http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/8905974d3ec04f3285b62c18114467c3.png收敛，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/221e7836b56b4f99b50bc3016b80400d.png收敛。（&nbsp; &nbsp; ）<br>

单击标准工具栏上的（ ）按钮可以打开“设计中心"面板。1、http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7a8ef85e77f8490babf1302f6cfb317f.png &nbsp; &nbsp;&nbsp; 2、 http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9cb75f8a10154a279078690a7149876e.png &nbsp; &nbsp;&nbsp; 3、http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/451fea6688f4480fbf86d1a75006cfdc.png &nbsp; &nbsp;&nbsp; 4、http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0eeb17dcbe1a455f84981040ae19ef0b.png