题目内容
把
:0.2化成最简整数比是______,比值是______.
| 5 |
| 8 |
(1)
:0.2,
=
:
,
=(
×40):(
×40),
=25:8;
(2)
:0.2,
=
÷
,
=
×5,
=
;
故答案为:25:8,
.
| 5 |
| 8 |
=
| 5 |
| 8 |
| 1 |
| 5 |
=(
| 5 |
| 8 |
| 1 |
| 5 |
=25:8;
(2)
| 5 |
| 8 |
=
| 5 |
| 8 |
| 1 |
| 5 |
=
| 5 |
| 8 |
=
| 25 |
| 8 |
故答案为:25:8,
| 25 |
| 8 |
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