Givenmisarealnumber,and|1-m|=|m|+1,simplifyanalgebraice...

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Given m is a real number, and |1-m|=|m|+1,simplify an algebraic expression, then Givenmisarealnumber,and|1-m|=|m|+1,simplifyanalgebraice...=( )

(A)|m|-1     (B)-|m|+1     (C)m-1      (D)-m+1

(英汉小词典simplify:化简;algebraic expression:代数式)

【回答】

D

知识点:数学竞赛

题型:选择题

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