题目内容
求下列比的比值:
18:48
0.25:3
:
.
18:48
0.25:3
| 5 |
| 7 |
| 25 |
| 49 |
(1)18:48,
=18÷48,
=
,
=
;
(2)0.25:3,
=
:3,
=
÷3,
=
;
(3)
:
,
=
÷
,
=
×
,
=
.
=18÷48,
=
| 18 |
| 48 |
=
| 3 |
| 8 |
(2)0.25:3,
=
| 1 |
| 4 |
=
| 1 |
| 4 |
=
| 1 |
| 12 |
(3)
| 5 |
| 7 |
| 25 |
| 49 |
=
| 5 |
| 7 |
| 25 |
| 49 |
=
| 5 |
| 7 |
| 49 |
| 25 |
=
| 7 |
| 5 |
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