题目内容
| 1 |
| 2 |
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(1)
:
,
=(
×4):(
×4),
=2:3;
(2)
:
,
=2:3,
=2÷3,
=
;
故答案为:2:3,
.
| 1 |
| 2 |
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| 4 |
=(
| 1 |
| 2 |
| 3 |
| 4 |
=2:3;
(2)
| 1 |
| 2 |
| 3 |
| 4 |
=2:3,
=2÷3,
=
| 2 |
| 3 |
故答案为:2:3,
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| 3 |
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