问题 解答题
化简
(1)
8
×(
2
-
1
2
)

(2)
18
-
9
2
-
3
+
6
3
+(
3
-2)0+
(1-
2
)2
答案

(1)原式=

16
-
4

=4-2

=2;

(2)原式=3

2
-
3
2
2
-(1+
2
)+1+|1-
2
|

=3

3
-
3
2
2
-1-
2
+1+
2
-1

=

3
2
2
-1.

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