问题
解答题
求值 (1)
(2)
|
答案
(1)原式=
×3
-3 2
×3 3
,3 2
=
-3 2
,1 2
=1;
(2)原式=
,2×
+13 2
+2×3 1 2
=
,
+13
+13
=1.
求值 (1)
(2)
|
(1)原式=
×3
-3 2
×3 3
,3 2
=
-3 2
,1 2
=1;
(2)原式=
,2×
+13 2
+2×3 1 2
=
,
+13
+13
=1.