题目内容
0.625
=
| 5 |
| 8 |
=
0.24| 5 |
| 8 |
=
| 6 |
| 25 |
=
3.5| 6 |
| 25 |
=
| 7 |
| 2 |
=
1.45| 7 |
| 2 |
=
| 29 |
| 20 |
=
2.08| 29 |
| 20 |
=
| 52 |
| 25 |
=
..| 52 |
| 25 |
分析:把小数化成分数的方法是看是几位小数,就在1后面添几个0作分母,用去掉小数点的数作分子,能约分的要约成最简分数.
解答:解:0.625=
=
,
0.24=
=
,
3.5=
=
,
1.45=
=
,
2.08=
=
.
故答案为:=
,=
,=
,=
,=
.
| 625 |
| 1000 |
| 5 |
| 8 |
0.24=
| 24 |
| 100 |
| 6 |
| 25 |
3.5=
| 35 |
| 10 |
| 7 |
| 2 |
1.45=
| 145 |
| 100 |
| 29 |
| 20 |
2.08=
| 208 |
| 100 |
| 52 |
| 25 |
故答案为:=
| 5 |
| 8 |
| 6 |
| 25 |
| 7 |
| 2 |
| 29 |
| 20 |
| 52 |
| 25 |
点评:本题主要考查了学生对小数化成分数方法的掌握情况,注意结果要约成最简分数.
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