题目内容
化简下面的比:
:
=______; 75:20=______;
:1.5=______
:
=______; 20:1.5=______;0.5:
=______.
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
故填2:1 15:4 1:3 4:1 40:3 3:2.
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