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标题: 0.50的计数单位是______ [打印本页]

作者: 题库发布官    时间: 2014-5-16 19:02
标题: 0.50的计数单位是______
(2012·城厢区)0.50的计数单位是(  )
A.0.1
B.0.01
C.0.10
【考点】小数的读写、意义及分类.专题:压轴题;小数的认识.
【分析】根据小数的意义可知,一位小数的计数单位是0.1,两位小数的计数单位是0.01,三位小数的计数单位是0.001,…;0.50是两位小数,它的计数单位是0.01,据此解答即可.
【解答】解:因为两位小数的计数单位是0.01,0.50是两位小数,它的计数单位是0.01,
故选:B.
【点评】本题主要考查小数的意义及计数单位.




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