问题
解答题
(
|
答案
原式=2
-6
-2 2
-22 4
+2 2
=2
-(6
+2 2
)-(22 4
-2
)2
=2
-6
-3 2 4 2
=2
-(6
+3 2 4
)2
=2
-6
.7 2 4
(
|
原式=2
-6
-2 2
-22 4
+2 2
=2
-(6
+2 2
)-(22 4
-2
)2
=2
-6
-3 2 4 2
=2
-(6
+3 2 4
)2
=2
-6
.7 2 4