题目内容
| 1 |
| 5 |
最简比是:
:0.9=
:
=(
×10):(
×10)=2:9,
比值是:
:0.9=
:
=
÷
=
×
=
;
故填:2:9,
.
| 1 |
| 5 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 9 |
| 10 |
比值是:
| 1 |
| 5 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 10 |
| 9 |
| 2 |
| 9 |
故填:2:9,
| 2 |
| 9 |
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题目内容
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 9 |
| 10 |
| 1 |
| 5 |
| 10 |
| 9 |
| 2 |
| 9 |
| 2 |
| 9 |