题目内容
求比值.
8:10; 9:7; 0.8:0.4;
:
.
8:10; 9:7; 0.8:0.4;
5 |
6 |
1 |
2 |
分析:求比值的方法:用比的前项除以比的后项所得的商即为比值;据此解答即可.
解答:解:(1)8:10
=8÷10
=0.8;
(2)9:7
=9÷7
=
;
(3)0.8:0.4
=0.8÷0.4
=2;
(4)
:
=
÷
=
×2
=
.
=8÷10
=0.8;
(2)9:7
=9÷7
=
9 |
7 |
(3)0.8:0.4
=0.8÷0.4
=2;
(4)
5 |
6 |
1 |
2 |
=
5 |
6 |
1 |
2 |
=
5 |
6 |
=
5 |
3 |
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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