Question

-

1

6

的倒數(shù)是

-6

；絕對(duì)值等于3的數(shù)是

±3

．

Answer 1

分析：根據(jù)倒數(shù)的定義，互為倒數(shù)的兩數(shù)積為1；正數(shù)的絕對(duì)值是其本身，負(fù)數(shù)的絕對(duì)值是它的相反數(shù)，即可得出答案．

解答：解：-

1

6

的倒數(shù)是-6，±3的絕對(duì)值等于3．
故答案為：-6，±3．

點(diǎn)評(píng)：本題考查了倒數(shù)的定義和絕對(duì)值的概念，根據(jù)定義得出是解題關(guān)鍵．