题目内容
把
:1.25化成最简单的整数比是______,它的比值是______.
| 5 |
| 8 |
(1)
:1.25,
=
:
,
=(
×
):(
×
),
=1:2;
(2)
:1.25,
=
:
,
=
÷
,
=0.5,
故答案为:1:2,0.5.
| 5 |
| 8 |
=
| 5 |
| 8 |
| 5 |
| 4 |
=(
| 5 |
| 8 |
| 8 |
| 5 |
| 5 |
| 4 |
| 8 |
| 5 |
=1:2;
(2)
| 5 |
| 8 |
=
| 5 |
| 8 |
| 5 |
| 4 |
=
| 5 |
| 8 |
| 5 |
| 4 |
=0.5,
故答案为:1:2,0.5.
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