设<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/2b29d93a908048d1b014085032302fae.png?x-oss-process=image/sharpen,200"/>为全集且<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/2029c9d4a4014519860123dbb42963ad.png?x-oss-process=image/sharpen,200"/>，已知<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/7a39227f906a4f6ab688ef009e20c53e.png?x-oss-process=image/sharpen,200"/>，则<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/75d52f92b75a4415b426bcd7f78b9201.png?x-oss-process=image/sharpen,200"/>的值为（）.