问题
解答题
化简:
|
答案
原式=
-1 x+1
+1 x+2
-1 x+2
+1 x+3
-1 x+3
+1 x+4
-1 x+4
=1 x+5
-1 x+1
=1 x+5
;4 x2+6x+5
化简:
|
原式=
-1 x+1
+1 x+2
-1 x+2
+1 x+3
-1 x+3
+1 x+4
-1 x+4
=1 x+5
-1 x+1
=1 x+5
;4 x2+6x+5