问题
解答题
计算 (1)
(2)
|
答案
(1)原式=3
-23
+33
=5
+33
;5
(2)原式=3
-2
-(3 2 2
÷3
+3
÷6
)+|1-3
|2
=3
-2
-1-3 2 2
+2
-12
=3 2
-2.2
计算 (1)
(2)
|
(1)原式=3
-23
+33
=5
+33
;5
(2)原式=3
-2
-(3 2 2
÷3
+3
÷6
)+|1-3
|2
=3
-2
-1-3 2 2
+2
-12
=3 2
-2.2