问题
解答题
计算 (1)
|
答案
(1)原式=10× 2 45
=4 9
=
;2 3
(2)原式=6-2
×26
+82
=14-8
;3
(3)原式=
-3 3
+18 3 6 2
=
-3
+2 6 3 6 2
=
-3
.6 2
计算 (1)
|
(1)原式=10× 2 45
=4 9
=
;2 3
(2)原式=6-2
×26
+82
=14-8
;3
(3)原式=
-3 3
+18 3 6 2
=
-3
+2 6 3 6 2
=
-3
.6 2