题目内容
| 2 |
| 7 |
| 9 |
| 14 |
(1)
:
,
=(
×14):(
×14),
=4:9;
(2)
:
,
=
÷
,
=
;
故答案为:4:9,
.
| 2 |
| 7 |
| 9 |
| 14 |
=(
| 2 |
| 7 |
| 9 |
| 14 |
=4:9;
(2)
| 2 |
| 7 |
| 9 |
| 14 |
=
| 2 |
| 7 |
| 9 |
| 14 |
=
| 4 |
| 9 |
故答案为:4:9,
| 4 |
| 9 |
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