问题
解答题
计算: (1)
|
答案
(1)原式=2
+2
-2×
-12 (
+1)(2
-1)2 2 2
=2
+2
-1-2 2
=2
-1;2
(2)原式=-2-
+1+23 3
=
-1.3
计算: (1)
|
(1)原式=2
+2
-2×
-12 (
+1)(2
-1)2 2 2
=2
+2
-1-2 2
=2
-1;2
(2)原式=-2-
+1+23 3
=
-1.3