问题 解答题
计算题:
(1)3
2
+
3
-2
2
-3
3

(2)
32
-(2+
2
)2

(3)
6
2
-
18
-(
1
2
)0
答案

(1)3

2
+
3
-2
2
-3
3

=(3

2
-2
2
)+(
3
-3
3
)

=

2
-2
3

(2)

32
-(2+
2
)2

=4

2
-[4+4
2
+(
2
2]

=4

2
-4-4
2
-2

=-6;

(3)

6
2
-
18
-(
1
2
)0

=

6
2
2
-3
2
-1

=3

2
-3
2
-1

=-1.

单项选择题
单项选择题