问题
解答题
化简: (1)(
(2)
|
答案
(1)原式=(3
+3 1 3
)-3
(21 2
-3 1 5
)5
=7 3
+3 1 10
;5
(2)原式=
(4-21 2
)+3
+1-2 2
=2-
+3
+1-2 2
=3-
.3
化简: (1)(
(2)
|
(1)原式=(3
+3 1 3
)-3
(21 2
-3 1 5
)5
=7 3
+3 1 10
;5
(2)原式=
(4-21 2
)+3
+1-2 2
=2-
+3
+1-2 2
=3-
.3