问题 解答题
计算
(1)
32
-(2+
2
)2

(2)
1
2
3
÷
2
1
3
×
1
2
5

(3)32
2x
+
x
2
-
x
8

(4)(π+1)0-
12
+|-
3
|
答案

(1)原式=4

2
-(4+2+4
2
)=-6;

(2)原式=

5
3
÷
7
3
×
7
5
=
5
7
×
7
5
=1;

(3)原式=32

2x
+
2x
2
-
2x
4
=
129
2x
4

(4)原式=1-2

3
+
3
=1-
3

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