题目内容
求下面各比的比值.
| 4:60 |
|
| ||||||
| 0.8:4 |
|
56:84. |
分析:根据求比值的方法,就用比的前项除以比的后项所得的商即为比值;据此进行计算.
解答:解:(1)4:60
=4÷60
=
;
(2)
:3
=
÷3
=
;
(3)
:
=
÷
=
;
(4)0.8:4
=0.8÷4
=0.2;
(5))
:
=
÷
=10;
(6)56:84
=56÷84
=
.
=4÷60
=
| 1 |
| 15 |
(2)
| 8 |
| 5 |
=
| 8 |
| 5 |
=
| 8 |
| 15 |
(3)
| 5 |
| 48 |
| 11 |
| 36 |
=
| 5 |
| 48 |
| 11 |
| 36 |
=
| 15 |
| 44 |
(4)0.8:4
=0.8÷4
=0.2;
(5))
| 2 |
| 5 |
| 1 |
| 25 |
=
| 2 |
| 5 |
| 1 |
| 25 |
=10;
(6)56:84
=56÷84
=
| 2 |
| 3 |
点评:此题主要考查了求比值的方法,注意比值是一个数.
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