问题
填空题
设a是
|
答案
∵
-3+ 5
=3- 5
=(
-3+ 5
) 23- 5
=6-2 9-5 2
∴a=
-12
同理可得b=
-26
∴
-1 a
=1 b
-1
-12
=1
-26
+1-2
=
+26 2
.2
-2 6 2
故本题答案为
.2
-2 6 2
设a是
|
∵
-3+ 5
=3- 5
=(
-3+ 5
) 23- 5
=6-2 9-5 2
∴a=
-12
同理可得b=
-26
∴
-1 a
=1 b
-1
-12
=1
-26
+1-2
=
+26 2
.2
-2 6 2
故本题答案为
.2
-2 6 2