<img src="https://storage.tutusouti.com/pzst/question_bank/res/de/ad/deaddb9ebc9e57f4d0011396eaac904ef2aadab7.jpg?x-oss-process=image/sharpen,200"/>等于（ ).<br/> A、<img src="https://static.zxtiku.com/wangke/imgs/topic/568074bf091eef20cd46d08602993be7.jpg"/><br/> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/22b849a9310e771734d5cfb7a921e4b4.jpg"/><br/> C、1<br/> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/46c0c10b10615d8bc8806aa21230260b.jpg"/>