题目内容
计算:
-(
-
)-(
-
)-…-(
-
).
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 512 |
| 1 |
| 1024 |
原式=
-(
-
)-(
-
)-…-(
-
)
=
-
+
-
…+
=
+
=
.
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 512 |
| 1 |
| 1024 |
=
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 1024 |
=
| 1 |
| 2 |
| 1 |
| 1024 |
=
| 513 |
| 1024 |
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