题目内容
化简下面的比:
:
=______
75:20=______
:1.5=______.
| 1 |
| 4 |
| 1 |
| 8 |
75:20=______
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 8 |
=(
| 1 |
| 4 |
| 1 |
| 8 |
=2:1;
75:20,
=(75÷5):(20÷5),
=15:4;
| 1 |
| 2 |
=(
| 1 |
| 2 |
=1:3.
故答案为:2:1,15:4,1:3.
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