问题
解答题
(1)计算:(π-3.14)0-2-2-(
(2)化简:(
|
答案
(1)原式=1-
-1 4
=0;3 4
(2)原式=
×-m m+3
=3-m.(m+3)(m-3) m
故答案为0、3-m.
(1)计算:(π-3.14)0-2-2-(
(2)化简:(
|
(1)原式=1-
-1 4
=0;3 4
(2)原式=
×-m m+3
=3-m.(m+3)(m-3) m
故答案为0、3-m.