题目内容
8-
-
-
-
-
-
-
-
.
| 2 |
| 3 |
| 2 |
| 15 |
| 2 |
| 35 |
| 2 |
| 63 |
| 2 |
| 99 |
| 2 |
| 143 |
| 2 |
| 195 |
| 2 |
| 255 |
8-
-
-
-
-
-
-
-
,
=8-(
+
+
+
+
+
+
+
),
=8-(1-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
),
=8-(1-
),
=7+
,
=7
.
| 2 |
| 3 |
| 2 |
| 15 |
| 2 |
| 35 |
| 2 |
| 63 |
| 2 |
| 99 |
| 2 |
| 143 |
| 2 |
| 195 |
| 2 |
| 255 |
=8-(
| 2 |
| 3 |
| 2 |
| 15 |
| 2 |
| 35 |
| 2 |
| 63 |
| 2 |
| 99 |
| 2 |
| 143 |
| 2 |
| 195 |
| 2 |
| 255 |
=8-(1-
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 9 |
| 1 |
| 9 |
| 1 |
| 11 |
| 1 |
| 11 |
| 1 |
| 13 |
| 1 |
| 13 |
| 1 |
| 15 |
| 1 |
| 15 |
| 1 |
| 17 |
=8-(1-
| 1 |
| 17 |
=7+
| 1 |
| 17 |
=7
| 1 |
| 17 |
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