题目内容
求比值.
26:91
6:
0.6:2.7
:
.
26:91
6:
| 3 |
| 5 |
0.6:2.7
| 2 |
| 7 |
| 8 |
| 5 |
分析:求比值是根据比的意义(两个数相除又叫两个数的比),用比的前项除以比的后项.
解答:解:(1)26:91,
=26÷91,
=
;
(2)6:
,
=6÷
,
=10;
(3)0.6:2.7,
=0.6÷2.7,
=
;
(4)
:
,
=
÷
,
=
.
=26÷91,
=
| 2 |
| 7 |
(2)6:
| 3 |
| 5 |
=6÷
| 3 |
| 5 |
=10;
(3)0.6:2.7,
=0.6÷2.7,
=
| 2 |
| 9 |
(4)
| 2 |
| 7 |
| 8 |
| 5 |
=
| 2 |
| 7 |
| 8 |
| 5 |
=
| 5 |
| 28 |
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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