> 数学 >
计算:
x2
x−5
+
25
5−x
=______.
人气:161 ℃ 时间:2020-05-09 10:32:54
解答
x2
x−5
+
25
5−x
=
x2
x−5
-
25
x−5

=
x2−25
x−5

=
(x+5)(x−5)
x−5

=x+5,
故答案为:x+5.
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