题目内容
(2012?华池县)
| 求下列各比的比值. 32:48 |
|
0.25:0.125. |
分析:用比的前项除以后项即可.
解答:解:(1)32:48,
=32÷48,
=
,
(2)
:
,
=
÷
,
=
×
,
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.
=32÷48,
=
| 2 |
| 3 |
(2)
| 3 |
| 7 |
| 9 |
| 21 |
=
| 3 |
| 7 |
| 9 |
| 21 |
=
| 3 |
| 7 |
| 21 |
| 9 |
=1,
(3)0.25:0.125,
=0.25÷0.125,
=2.
点评:此题主要考查了求比值的方法,注意求比值的结果是一个商,可以是整数,小数或分数.
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