问题 解答题
计算题:
(1)(3-2
2
)(3+2
2
)

(2)
12
×
6
8

(3)2
12
×
1
4
3
+
1
3
÷5
2

(4)(
3
-
2
3
)2
答案

(1)原式=9-8=1;

(2)原式=

2
3
×
3
×
2
2
2
=3;

(3)原式=4

3
×
1
4
3
+
3
3
×
1
5
2
=3+
6
30

(4)原式=3-2×

3
×
2
3
+
4
3
=3-4+
4
3
=
1
3

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