问题
解答题
(1)计算:(-2008)0-|1-
(2)化简:(1+
|
答案
(1)原式=1-(
-1)-3
=1-3
+1-3
=2-23
;3
(2)原式=
•a2 a2-4
=a+2 a
•a2 (a+2)(a-2)
=a+2 a
.a a-2
(1)计算:(-2008)0-|1-
(2)化简:(1+
|
(1)原式=1-(
-1)-3
=1-3
+1-3
=2-23
;3
(2)原式=
•a2 a2-4
=a+2 a
•a2 (a+2)(a-2)
=a+2 a
.a a-2