题目内容
| 求出下列各比的比值. 1
|
| ||||||
1.4﹕
|
25%:0.75. |
分析:用比的前项除以后项即可.
解答:解:(1)1
:
,
=1
÷
,
=2.2;
(2)
千米:500米,
=750÷500,
=1.5;
(3)1.4﹕
,
=1.4÷
,
=
;
(4)25%:0.75,
=25%÷0.75,
=
.
| 3 |
| 8 |
| 5 |
| 8 |
=1
| 3 |
| 8 |
| 5 |
| 8 |
=2.2;
(2)
| 3 |
| 4 |
=750÷500,
=1.5;
(3)1.4﹕
| 3 |
| 4 |
=1.4÷
| 3 |
| 4 |
=
| 28 |
| 15 |
(4)25%:0.75,
=25%÷0.75,
=
| 1 |
| 3 |
点评:此题考查求比值得方法,用比的前项除以比的后项,结果是一个数.
练习册系列答案
相关题目