题目内容
【题目】0.28的计数单位是( )
A.0.1B.0.01C.0.001
【答案】B
【解析】
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,…;0.28是两位小数,它的计数单位是0.01,据此解答即可.因为两位小数的计数单位是0.01,0.28是两位小数,它的计数单位是0.01,
故选:B.
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题目内容
【题目】0.28的计数单位是( )
A.0.1B.0.01C.0.001
【答案】B
【解析】
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,…;0.28是两位小数,它的计数单位是0.01,据此解答即可.因为两位小数的计数单位是0.01,0.28是两位小数,它的计数单位是0.01,
故选:B.