问题
填空题
化简:
|
答案
原式=
-2m (m+2)(m-2) 1 m+2
=
-2m (m+2)(m-2) m-2 (m+2)(m-2)
=2m-m+2 (m+2)(m-2)
=
.1 m-2
故答案为:
.1 m-2
化简:
|
原式=
-2m (m+2)(m-2) 1 m+2
=
-2m (m+2)(m-2) m-2 (m+2)(m-2)
=2m-m+2 (m+2)(m-2)
=
.1 m-2
故答案为:
.1 m-2