题目内容
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 9 |
| 1 |
| 3 |
| () |
| () |
| 1 |
| 9 |
| 1 |
| 3 |
(1)
×
=
;
(2)
÷
=
×3=
;
(3)
÷
=
×9=3;
故答案为:
;
;3.
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 27 |
(2)
| 1 |
| 9 |
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
(3)
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 3 |
故答案为:
| 1 |
| 27 |
| 1 |
| 3 |
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题目内容
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| 1 |
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| 1 |
| 9 |
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| () |
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| 9 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 27 |
| 1 |
| 9 |
| 1 |
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| 1 |
| 9 |
| 1 |
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| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
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| 27 |
| 1 |
| 3 |