问题
解答题
计算: (1)a
(2)2
|
答案
(1)原式=2a
-2a
+3aa 2a 2
=2a
a9 2
;2a
(2)原式=
×25 2
-6
×4 3 3 2
=518 8×54
-2×6
=56 12
-6
=-6 6 29 6
.6
计算: (1)a
(2)2
|
(1)原式=2a
-2a
+3aa 2a 2
=2a
a9 2
;2a
(2)原式=
×25 2
-6
×4 3 3 2
=518 8×54
-2×6
=56 12
-6
=-6 6 29 6
.6