题目内容
把下面的小数化成最简分数.
| 0.8= | 0.25= | 0.045= | 3.2= |
(1)0.8=
=
=
;
(2)0.25=
=
=
;
(3)0.045=
=
=
;
(4)3.2=
=
=
.
| 8 |
| 10 |
| 8÷2 |
| 10÷2 |
| 4 |
| 5 |
(2)0.25=
| 25 |
| 100 |
| 25÷25 |
| 100÷25 |
| 1 |
| 4 |
(3)0.045=
| 45 |
| 1000 |
| 45÷5 |
| 1000÷5 |
| 9 |
| 200 |
(4)3.2=
| 32 |
| 10 |
| 32÷2 |
| 10÷2 |
| 16 |
| 5 |
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