题目内容
| 求比值. 12:18 |
| 45:15 | ||||
| 1.5:10.5 | 13:169 | 1
|
12:18=12÷18=
;
:
=
÷
=
;
45:15=45÷15=3;
1.5:10.5=1.5÷10.5=
;
13:169=13÷169=
;
1
:2
=1
÷2
=
.
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 2 |
| 1 |
| 9 |
| 1 |
| 2 |
| 2 |
| 9 |
45:15=45÷15=3;
1.5:10.5=1.5÷10.5=
| 1 |
| 7 |
13:169=13÷169=
| 1 |
| 13 |
1
| 3 |
| 4 |
| 4 |
| 5 |
| 3 |
| 4 |
| 4 |
| 5 |
| 5 |
| 8 |
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