问题
解答题
计算: (1)-
(2)
(3)|
(4)
|
答案
(1)原式=-
+4 3
=5 3
;1 3
(2)原式=2+0-
+1 2
=2;1 2
(3)原式=
-6
+2
-1-3+2
=26
-4;6
(4)原式=
-3 5
+2-2=0.3 5
计算: (1)-
(2)
(3)|
(4)
|
(1)原式=-
+4 3
=5 3
;1 3
(2)原式=2+0-
+1 2
=2;1 2
(3)原式=
-6
+2
-1-3+2
=26
-4;6
(4)原式=
-3 5
+2-2=0.3 5