问题 解答题
计算题:
(1)
2
×
12
3
-
8

(2)(3-
2
)(3+
2
)+
3-27

(3)
18
+
1
5
50
-4
1
2

(4)(2-
3
)2+
27
-
3
12
答案

(1)原式=

2×12
3
-
8

=

24
3
-
8

=

8
-
8

=0;

(2)原式=3-2-3

=-2;

(3)原式=3

2
+
2
-2
2

=2

2

(4)原式=4+3+4

3
+
3
3
-
3
2
3

=7+

3
+1

=8+

3

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