Question

－4的絕對(duì)值是                                              （     ）
A. 4             B.             C. －4             D.  

Answer 1

A

絕對(duì)值的性質(zhì)：一個(gè)正數(shù)的絕對(duì)值是它本身，一個(gè)負(fù)數(shù)的絕對(duì)值是它的相反數(shù)，0的絕對(duì)值是0．
解：根據(jù)絕對(duì)值的性質(zhì)，得|-4|=4．
故選A．
解題關(guān)鍵是掌握化簡絕對(duì)值的規(guī)律．