题目内容
计算:
+
+
+
+
+
=______.
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 30 |
| 1 |
| 42 |
| 1 |
| 56 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 30 |
| 1 |
| 42 |
| 1 |
| 56 |
=(1-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 8 |
=1-
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 8 |
=
| 33 |
| 40 |
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题目内容
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| 12 |
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| 42 |
| 1 |
| 56 |
| 1 |
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| 6 |
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| 30 |
| 1 |
| 42 |
| 1 |
| 56 |
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| 33 |
| 40 |