问题
解答题
化简: (1)2
(2)a
|
答案
(1)原式=4
×(123
-3
-92
)3
=4
×(33
-3
)2
=36-4
;6
(2)原式=2a
-2a2×2a
+3a2a 4a 2a
=2a
-2a
a1 2
+3a2a 2a
=9a 2
.2a
化简: (1)2
(2)a
|
(1)原式=4
×(123
-3
-92
)3
=4
×(33
-3
)2
=36-4
;6
(2)原式=2a
-2a2×2a
+3a2a 4a 2a
=2a
-2a
a1 2
+3a2a 2a
=9a 2
.2a