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