题目内容
求比值
20:600
0.45:1.5
:
.
20:600
0.45:1.5
| 3 |
| 4 |
| 1 |
| 2 |
(1)20:600,
=20÷600,
=
;
(2)0.45:1.5,
=0.45÷1.5,
=0.3;
(3)
:
,
=
÷
,
=
.
=20÷600,
=
| 1 |
| 30 |
(2)0.45:1.5,
=0.45÷1.5,
=0.3;
(3)
| 3 |
| 4 |
| 1 |
| 2 |
=
| 3 |
| 4 |
| 1 |
| 2 |
=
| 3 |
| 2 |
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