题目内容
0.8:
化成最简整数比是______,比值是______.
| 4 |
| 15 |
(1)0.8:
,
=
:
,
=(
×
):(
×
),
=3:1;
(2)0.8:
,
=
÷
,
=
×
,
=3;
故答案为:3:1,3.
| 4 |
| 15 |
=
| 4 |
| 5 |
| 4 |
| 15 |
=(
| 4 |
| 5 |
| 15 |
| 4 |
| 4 |
| 15 |
| 15 |
| 4 |
=3:1;
(2)0.8:
| 4 |
| 15 |
=
| 4 |
| 5 |
| 4 |
| 15 |
=
| 4 |
| 5 |
| 15 |
| 4 |
=3;
故答案为:3:1,3.
练习册系列答案
相关题目