问题
解答题
已知a=
|
答案
a=3-2
,b=3+22 2
-1 b-1
=1 a-1
-1 2
+22
=1 2-2 2
+1 2
+22
=1 2
-22
+2
-22 4
=2
+22 4 2
已知a=
|
a=3-2
,b=3+22 2
-1 b-1
=1 a-1
-1 2
+22
=1 2-2 2
+1 2
+22
=1 2
-22
+2
-22 4
=2
+22 4 2