问题
解答题
化简或计算: (1)
(2)(
|
答案
(1)原式=4
-22
+2 2
=3
;2
(2)原式=[(
-5
)+(3
+5
)][(3
-5
)-(3
+5
)]3
=2
•(-25
)3
=-4
.15
化简或计算: (1)
(2)(
|
(1)原式=4
-22
+2 2
=3
;2
(2)原式=[(
-5
)+(3
+5
)][(3
-5
)-(3
+5
)]3
=2
•(-25
)3
=-4
.15