Question

2-的相反數(shù)是           ，絕對(duì)值是            .

Answer 1

；

解析試題分析：相反數(shù)就是在所求的數(shù)前面加“-”，就是該數(shù)的相反數(shù)；絕對(duì)值的求法：非負(fù)數(shù)的絕對(duì)值是它本身，負(fù)數(shù)的絕對(duì)值是它的相反數(shù)．由此即可求解.
考點(diǎn)：相反數(shù)；絕對(duì)值
點(diǎn)評(píng)：此題主要考查理相反數(shù)、絕對(duì)值的相關(guān)概念，比較簡(jiǎn)單．