问题
解答题
计算: (1)
(2)(3
(3)
|
答案
(1)原式=
-2×2+3+1=2;4
(2)原式=3
-26
-26 6
-6
=0.2 6 3
(3)原式=5
+x 3 2
-4x
=x 5 2
.x
计算: (1)
(2)(3
(3)
|
(1)原式=
-2×2+3+1=2;4
(2)原式=3
-26
-26 6
-6
=0.2 6 3
(3)原式=5
+x 3 2
-4x
=x 5 2
.x