絕對值等于它本身的數(shù)是______,相反數(shù)等于它本身的數(shù)是______.
絕對值等于它本身的數(shù)是______,相反數(shù)等于它本身的數(shù)是______.
非負數(shù),0
∵0的絕對值是0,等于它本身,正數(shù)的絕對值等于它本身,
∴絕對值等于它本身的數(shù)是非負數(shù),
∵只有-0=|0|,
∴相反數(shù)等于它本身的數(shù)是0,
故答案為:非負數(shù),0.
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