Question

-6的倒數(shù)是

 

，絕對(duì)值是6的數(shù)是

 

．

Answer 1

分析：根據(jù)倒數(shù)的定義和絕對(duì)值的定義求解．

解答：解：-6的倒數(shù)是-

1

6

，絕對(duì)值是6的數(shù)是±6．

點(diǎn)評(píng)：倒數(shù)的定義：若兩個(gè)數(shù)的乘積是1，我們就稱這兩個(gè)數(shù)互為倒數(shù)．
絕對(duì)值的代數(shù)定義：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)；零的絕對(duì)值是零．