问题
解答题
计算: (1)(-3)0-
(2)
|
答案
(1)原式=1-3
+3
-1+2
-3 2 (
+3
)×(2
-3
)2
=1-3
+3
-1+2
-3 2
=-2
;3
(2)原式=6
+33
+5 2 3
-53 5
=20 3
-23
.5
计算: (1)(-3)0-
(2)
|
(1)原式=1-3
+3
-1+2
-3 2 (
+3
)×(2
-3
)2
=1-3
+3
-1+2
-3 2
=-2
;3
(2)原式=6
+33
+5 2 3
-53 5
=20 3
-23
.5