问题
解答题
计算: (1)
(2)(1+
|
答案
(1)原式=4
-2
+2 2
=42 2
;2
(2)原式=[1+(
-2
)][1-(3
-2
)]3
=1-(
-2
)23
=1-(2-2
+3)6
=1-2+2
-36
=-4+2
.6
计算: (1)
(2)(1+
|
(1)原式=4
-2
+2 2
=42 2
;2
(2)原式=[1+(
-2
)][1-(3
-2
)]3
=1-(
-2
)23
=1-(2-2
+3)6
=1-2+2
-36
=-4+2
.6