题目内容
求比值.
:
0.25:0.45.
| 1 |
| 4 |
| 1 |
| 8 |
0.25:0.45.
(1)
:
,
=
÷
,
=2;
(2)0.25:0.45,
=0.25÷0.45,
=
.
| 1 |
| 4 |
| 1 |
| 8 |
=
| 1 |
| 4 |
| 1 |
| 8 |
=2;
(2)0.25:0.45,
=0.25÷0.45,
=
| 5 |
| 9 |
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