问题
解答题
化简:(1)
|
答案
(1)原式=
-32 2
+2 2 2
=-2
;2
(2)原式=
+3x (x-3)2 x(x-3) (x-3)2
=3x+x2-3x (x-3)2
=
.x2 (x-3)2
化简:(1)
|
(1)原式=
-32 2
+2 2 2
=-2
;2
(2)原式=
+3x (x-3)2 x(x-3) (x-3)2
=3x+x2-3x (x-3)2
=
.x2 (x-3)2