问题
解答题
计算: (1)(1-
(2)2
(3)(2+
|
答案
(1)原式=3-2
-32
+3+2
+1=7-53
;2
(2)原式=8
+93
÷ 3
=86
+3
;9 2 2
(3)原式=[(2+
)(2-3
)]2008×(2-3
)=2-3
.3
计算: (1)(1-
(2)2
(3)(2+
|
(1)原式=3-2
-32
+3+2
+1=7-53
;2
(2)原式=8
+93
÷ 3
=86
+3
;9 2 2
(3)原式=[(2+
)(2-3
)]2008×(2-3
)=2-3
.3