﹣的倒数是 ,相反数是 .

的倒数是  ,相反数是  

答案

﹣2    

【考点】倒数;相反数.

【分析】根据倒数,相反数的概念可知.

【解答】解:﹣的倒数是﹣2,相反数是

【点评】主要考查相反数,倒数的概念及性质.

倒数的定义:若两个数的乘积是1,我们就称这两个数互为倒数;

相反数的定义:只有符号不同的两个数互为相反数,0的相反数是0.

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