题目内容
计算:1+
+
+
+
+
+
+
+
+…+
+
+…+
+…+
+
=______.
| 1 |
| 2 |
| 2 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2010 |
| 2 |
| 2010 |
| 2010 |
| 2010 |
| 2 |
| 2010 |
| 1 |
| 2010 |
1+
+
+
+
+
+
+
+
+…+
+
+…+
+…+
+
,
=1+(
+
+
)+(
+
+
+
+
)+…+(
+
+…+
+…+
+
),
=1+2+3+…+2010,
=(1+2010)×2010÷2,
=2011×2010÷2,
=2021055.
故答案为:2021055.
| 1 |
| 2 |
| 2 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2010 |
| 2 |
| 2010 |
| 2010 |
| 2010 |
| 2 |
| 2010 |
| 1 |
| 2010 |
=1+(
| 1 |
| 2 |
| 2 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 2 |
| 3 |
| 3 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2010 |
| 2 |
| 2010 |
| 2010 |
| 2010 |
| 2 |
| 2010 |
| 1 |
| 2010 |
=1+2+3+…+2010,
=(1+2010)×2010÷2,
=2011×2010÷2,
=2021055.
故答案为:2021055.
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