|+3.5|=3.5,|-3.5|=3.5,即±3.5的絕對值為3.5.
故選C.
絕對值等于3.5的數(shù)是( ) A.3.5 B.-3.5 C.±3.5 D.以上都不對
絕對值等于3.5的數(shù)是( ?。?br/>A. 3.5
B. -3.5
C. ±3.5
D. 以上都不對
B. -3.5
C. ±3.5
D. 以上都不對
數(shù)學人氣:886 ℃時間:2019-10-24 14:21:46
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