问题
填空题
化简(1+
|
答案
（1+
）÷1 m-1 m m2-1
=（
+m-1 m-1
）÷1 m-1 m (m+1)(m-1)
=
•m-1+1 m-1 (m+1)(m-1) m
=
•m m-1 (m+1)(m-1) m
=m+1．
故答案为：m+1
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化简(1+
|
（1+
）÷1 m-1 m m2-1
=（
+m-1 m-1
）÷1 m-1 m (m+1)(m-1)
=
•m-1+1 m-1 (m+1)(m-1) m
=
•m m-1 (m+1)(m-1) m
=m+1．
故答案为：m+1