题目内容
计算:
+log2
=______.
| (log25)2-4log25+4 |
| 1 |
| 5 |
∵
+log2
=|log25-2|+log25-1=log25-2-log25=-2,
故答案为:-2.
| (log25)2-4log25+4 |
| 1 |
| 5 |
故答案为:-2.
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题目内容
| (log25)2-4log25+4 |
| 1 |
| 5 |
| (log25)2-4log25+4 |
| 1 |
| 5 |