题目内容
求比值．
14
：0.72
：1
3
：2
．
14
| 2 |
| 5 |
| 4 |
| 7 |
| 1 |
| 7 |
3
| 1 |
| 2 |
| 1 |
| 3 |
14
：0.72
=14
÷0.72
=14.4÷0.72
=20；
：1
=
÷1
=
；
3
：2
=3
÷2
=
÷
=
．
| 2 |
| 5 |
=14
| 2 |
| 5 |
=14.4÷0.72
=20；
| 4 |
| 7 |
| 1 |
| 7 |
=
| 4 |
| 7 |
| 1 |
| 7 |
=
| 1 |
| 2 |
3
| 1 |
| 2 |
| 1 |
| 3 |
=3
| 1 |
| 2 |
| 1 |
| 3 |
=
| 7 |
| 2 |
| 7 |
| 3 |
=
| 3 |
| 2 |
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