题目内容
把
:
化成最简整数比是______,比值是______.
| 2 |
| 5 |
| 1 |
| 4 |
(1)
:
,
=(
×20):(
×20),
=8:5;
(2)
:
,
=8:5;
=8÷5,
=1.6或
;
故答案为:8:5,1.6或
.
| 2 |
| 5 |
| 1 |
| 4 |
=(
| 2 |
| 5 |
| 1 |
| 4 |
=8:5;
(2)
| 2 |
| 5 |
| 1 |
| 4 |
=8:5;
=8÷5,
=1.6或
| 8 |
| 5 |
故答案为:8:5,1.6或
| 8 |
| 5 |
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