问题
解答题
计算题x (1)(
(2)
|
答案
(1)原式=4+1-(5-
)=2
;2
(2)原式=
+2 (x+1)(x-1)
=x-1 (x+1)(x-1)
=x+1 (x+1)(x-1)
.1 x-1
计算题x (1)(
(2)
|
(1)原式=4+1-(5-
)=2
;2
(2)原式=
+2 (x+1)(x-1)
=x-1 (x+1)(x-1)
=x+1 (x+1)(x-1)
.1 x-1