题目内容
| 求比值: 45:72= | 7
|
(1)45:72,
=45÷72,
=
,
(2)7
:0.6,
=
÷0.6,
=
÷
,
=
×
,
=
.
=45÷72,
=
| 5 |
| 8 |
(2)7
| 3 |
| 4 |
=
| 31 |
| 4 |
=
| 31 |
| 4 |
| 3 |
| 5 |
=
| 31 |
| 4 |
| 5 |
| 3 |
=
| 155 |
| 12 |
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题目内容
| 求比值: 45:72= | 7
|
| 5 |
| 8 |
| 3 |
| 4 |
| 31 |
| 4 |
| 31 |
| 4 |
| 3 |
| 5 |
| 31 |
| 4 |
| 5 |
| 3 |
| 155 |
| 12 |