问题
解答题
计算与化简: (1)
(2)(
|
答案
(1)原式=
+2 2
×2
+1 2
-1 2 2
=3 2
-1;2
(2)原式=
×2a (a+1)(a-1)
+1a+1 a
=
+12 a-1
=
.a+1 a-1
计算与化简: (1)
(2)(
|
(1)原式=
+2 2
×2
+1 2
-1 2 2
=3 2
-1;2
(2)原式=
×2a (a+1)(a-1)
+1a+1 a
=
+12 a-1
=
.a+1 a-1