题目内容
4×
+8×
+…+2008×
= .
| 1 |
| 8 |
| 1 |
| 12 |
| 1 |
| 2012 |
考点:有理数的混合运算
专题:
分析:503-(1+
+
+…+
)
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 503 |
解答:503-(1+
+
+…+
)
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 503 |
点评:503-(1+
+
+…+
)
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 503 |
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