题目内容
| 求比值. 0.14:8.4 | 0.8:1.5 | ||||||
|
|
(1)0.14:8.4,
=0.14÷8.4,
=
,
=
;
(2)0.8:1.5,
=0.8÷1.5,
=
;
(3)
:
,
=
÷
,
=
;
(4)
时:20分,
=15分:20分,
=15:20,
=15÷20,
=
.
=0.14÷8.4,
=
| 14 |
| 840 |
=
| 1 |
| 60 |
(2)0.8:1.5,
=0.8÷1.5,
=
| 8 |
| 15 |
(3)
| 8 |
| 35 |
| 6 |
| 21 |
=
| 8 |
| 35 |
| 6 |
| 21 |
=
| 4 |
| 5 |
(4)
| 1 |
| 4 |
=15分:20分,
=15:20,
=15÷20,
=
| 3 |
| 4 |
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