问题
解答题
计算: (1)-20130+
(2)
|
答案
(1)原式=-1+2
-4×2 2 2
=-1+2
-22 2
=-1;
(2)原式=2
+42
-2
-22
•33 6
=2
+42
-2
-182 2
=-13
.2
计算: (1)-20130+
(2)
|
(1)原式=-1+2
-4×2 2 2
=-1+2
-22 2
=-1;
(2)原式=2
+42
-2
-22
•33 6
=2
+42
-2
-182 2
=-13
.2