题目内容
(2008?射洪县)
的分数单位是
,0.65的小数单位是
| 3 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
0.01
0.01
.分析:(1)根据分数的意义,分母是几,它的分数单位就是几分之一;
(2)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…,据此解答.
(2)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…,据此解答.
解答:解:(1)
的分子是5,它的分数单位是
;
(2)0.65是两位小数,它的计数单位是0.01;
故答案为:
,0.01.
| 3 |
| 5 |
| 1 |
| 5 |
(2)0.65是两位小数,它的计数单位是0.01;
故答案为:
| 1 |
| 5 |
点评:本题主要考查分数的意义和小数的意义.
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