题目

(每小题5分,共10分)(1)(2)化简求值4-[6-2(4-2)-]+1,其中=-,. 答案:(1)解原式=(2)化简求值4-[6-2(4-2)-]+1,其中=-,.解4-[6-2(4-2)-]+1=当=-,.时原式=-2解析:略I have a great ________ and admiration for my former English teacher.A.passionB.dislikeC.contemptD.respect
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