A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15619433470630bd087a740c24dbf9af406974ff5c32dimage92.png"style="width:89px;height:37px;"/>
B、数列<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/156194334711614d96c33eec9474287a809e3da65655bimage93.png"style="width:41px;height:36px;"/>单调有界
C、部分和数列<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1561943347170d23ce9cde15c453a9db032f603a99fe9image94.png"style="width:42px;height:36px;"/>有上界
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15619433472031124be28d9c94860a87e4fc27134eb99image95.png"style="width:101px;height:60px;"/>
查看答案