问题
解答题
计算: (1)|-
(2)
|
答案
(1)原式=
-3+1-1 2 1 2
=-2;
(2)原式=
×25 2
-3×6
-(26 3
+103
)×2 3
=5
-6
-6-106 6
=-6
-6.6
计算: (1)|-
(2)
|
(1)原式=
-3+1-1 2 1 2
=-2;
(2)原式=
×25 2
-3×6
-(26 3
+103
)×2 3
=5
-6
-6-106 6
=-6
-6.6