题目内容
2-
÷
-
.
| 6 |
| 13 |
| 9 |
| 26 |
| 2 |
| 3 |
2-
÷
-
,
=2-
×
-
,
=2-
-
,
=2-(
+
),
=2-2,
=0.
| 6 |
| 13 |
| 9 |
| 26 |
| 2 |
| 3 |
=2-
| 6 |
| 13 |
| 26 |
| 9 |
| 2 |
| 3 |
=2-
| 4 |
| 3 |
| 2 |
| 3 |
=2-(
| 4 |
| 3 |
| 2 |
| 3 |
=2-2,
=0.
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| 6 |
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| 9 |
| 26 |
| 2 |
| 3 |
| 6 |
| 13 |
| 9 |
| 26 |
| 2 |
| 3 |
| 6 |
| 13 |
| 26 |
| 9 |
| 2 |
| 3 |
| 4 |
| 3 |
| 2 |
| 3 |
| 4 |
| 3 |
| 2 |
| 3 |