问题
解答题
计算：a
|
答案
a
+1 a
-(4b
-ba 2
)1 b
=
+2a
-（b 1 2
-a
）b
=
+2a
-b 1 2
+a b
=1 2
+3a
．b
搜题请搜索小程序“爱下问搜题”
计算：a
|
a
+1 a
-(4b
-ba 2
)1 b
=
+2a
-（b 1 2
-a
）b
=
+2a
-b 1 2
+a b
=1 2
+3a
．b