A、<img width="82" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/69e379d5-d370-4fd8-82c8-e8d4e791734b.png">
B、<img width="37" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/c8a0c39b-c2ce-44bb-9a6d-369a2b0d4a7a.png">可大于也可等于<img width="32" height="24" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/6458a8a5-b056-465b-aaf0-1ce0f81bae66.png">
C、<img width="37" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/c8a0c39b-c2ce-44bb-9a6d-369a2b0d4a7a.png">可小于也可等于<img width="32" height="24" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/6458a8a5-b056-465b-aaf0-1ce0f81bae66.png">
D、<img width="82" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/023a9ee7-427c-45b4-8392-d792a86ae195.png">
A、<img width="82" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/9b35cb10-569d-4ee6-9615-aa3ff8cab6d4.png">
B、<img width="37" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/e27bb5c5-dde4-474f-add2-6eda2ee7bc73.png">可大于也可等于<img width="32" height="24" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/84516b86-12ee-4878-b4eb-18493fa79213.png">
C、<img width="37" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/e27bb5c5-dde4-474f-add2-6eda2ee7bc73.png">可小于也可等于<img width="32" height="24" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/84516b86-12ee-4878-b4eb-18493fa79213.png">
D、<img width="82" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/f1dcd2dd-05e3-4812-8f81-f5f00c4c1ffe.png">