问题
解答题
计算与化简 (1)(
(2)(1+
|
答案
(1)原式=
-3
+2-2+2
+
+5 3 2
=
-5 3 2
-3
+2
;5
(2)原式=[1+(
-2
)][1-(3
-2
)]+23
=1-(6
-2
)2+23
=1-5+26
+26
=-4.6
计算与化简 (1)(
(2)(1+
|
(1)原式=
-3
+2-2+2
+
+5 3 2
=
-5 3 2
-3
+2
;5
(2)原式=[1+(
-2
)][1-(3
-2
)]+23
=1-(6
-2
)2+23
=1-5+26
+26
=-4.6