问题
解答题
计算: (1)5
(2)
(3)(
(4)-4×3
|
答案
(1)原式=(5-2+3-
)1 3 2
=17 5
;2
(2)
=4 (
)44 3
;4 3
(3)原式=[(
-1) (2
+1)2]2
=(2-1)2
=1;
(4)原式=-4×
÷623 3
=-
.3 3 9
计算: (1)5
(2)
(3)(
(4)-4×3
|
(1)原式=(5-2+3-
)1 3 2
=17 5
;2
(2)
=4 (
)44 3
;4 3
(3)原式=[(
-1) (2
+1)2]2
=(2-1)2
=1;
(4)原式=-4×
÷623 3
=-
.3 3 9