问题
解答题
先化简(1+
|
答案
原式=(
+x-1 x-1
)×1 x-1 (x+1)(x-1) x
=
×x x-1 (x+1)(x-1) x
=x+1,
当x=2006时,原式=2006+1=2007.
先化简(1+
|
原式=(
+x-1 x-1
)×1 x-1 (x+1)(x-1) x
=
×x x-1 (x+1)(x-1) x
=x+1,
当x=2006时,原式=2006+1=2007.