题目内容
求比值.
25:35
时:30分2.5:
.
25:35
| 1 |
| 4 |
| 1 |
| 3 |
(1)25:35,
=25÷35,
=
;
(2)
时:30分,
=15分:30分,
=15÷30,
=
;
(3)2.5:
,
=
÷
,
=
×3,
=
.
=25÷35,
=
| 5 |
| 7 |
(2)
| 1 |
| 4 |
=15分:30分,
=15÷30,
=
| 1 |
| 2 |
(3)2.5:
| 1 |
| 3 |
=
| 5 |
| 2 |
| 1 |
| 3 |
=
| 5 |
| 2 |
=
| 15 |
| 2 |
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