计算:| 1/2003−1/2002 |+| 1/2004−1/2003 |−| 1/2004−1/2002 |
问题描述:
计算:|
−1 2003
|+| 1 2002
−1 2004
|−| 1 2003
−1 2004
| 1 2002
答
原式=
-1 2002
+1 2003
-1 2003
+1 2004
-1 2004
=0.1 2002