题目内容
求比值.
|
0.8﹕1.2= | 0.125﹕
|
分析:根据求比值的方法,就用比的前项除以后项所得的商即为比值.
解答:解:(1)
:
,
=
÷
,
=
×
,
=
;
(2)0.8:1.2,
=0.8÷1.2,
=
;
(3)0.125:
,
=
÷
,
=
×
,
=
.
1 |
3 |
2 |
5 |
=
1 |
3 |
2 |
5 |
=
1 |
3 |
5 |
2 |
=
5 |
6 |
(2)0.8:1.2,
=0.8÷1.2,
=
2 |
3 |
(3)0.125:
3 |
8 |
=
1 |
8 |
3 |
8 |
=
1 |
8 |
8 |
3 |
=
1 |
3 |
点评:本题主要考查了求比值的方法,注意求比值的结果是一个数,可以是整数,小数或分数.
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