A、<img width="16" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/f9d686ce-888d-4b7f-a7c0-1487468479a6.png" />=<img width="16" height="41" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/cebd5b62-1ff7-4d59-bfe3-8dc3250a7f2a.png" /><img width="19" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/fce551a4-6d32-417d-bc1a-6dca2df2cd12.png" />
B、<img width="16" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/f9d686ce-888d-4b7f-a7c0-1487468479a6.png" />=<img width="19" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/fce551a4-6d32-417d-bc1a-6dca2df2cd12.png" />
C、<img width="16" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/f9d686ce-888d-4b7f-a7c0-1487468479a6.png" />=2<img width="19" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/fce551a4-6d32-417d-bc1a-6dca2df2cd12.png" />
D、<img width="16" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/f9d686ce-888d-4b7f-a7c0-1487468479a6.png" />=4<img width="19" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/fce551a4-6d32-417d-bc1a-6dca2df2cd12.png" />
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