问题
解答题
计算: (1)
(2)
|
答案
(1)原式=
×32a 3
+6a×a 1 2 a
=2a
+3aa
=5aa
;a
(2)原式=
-2
+5 5 5
×121 3
=
-3 5 5
=3-2=1.4
计算: (1)
(2)
|
(1)原式=
×32a 3
+6a×a 1 2 a
=2a
+3aa
=5aa
;a
(2)原式=
-2
+5 5 5
×121 3
=
-3 5 5
=3-2=1.4