题目内容

计算、化简
(1)
327
-
2
×
6
3

(2)(2-
5
)2-(1+
5
)(
5
-2)

(3)(π-2009)0+
12
+|
3
-2|

(4)(
3
-
2
)(
2
+
3
)+6
2
3

(5)2
3
×
(3
75
-
12
-
27

(6)
20
3
+
27
12
-
1
2
(1)原式=3-
2
3
3

=3-2
=1;

(2)原式=(2-
5
)[(2-
5
)+(1+
5
)]
=(2-
5
)×3
=6-3
5


(3)原式=1+2
3
+2-
3

=3+
3


(4)原式=1+2
6


(5)原式=2
3
×(15
3
-2
3
-3
3

=2
3
×10
3

=60;

(6)原式=
20
3
+3
3
2
3
-
1
2

=
23
3
2
3
-
1
2

=
23
2
-
1
2

=11.
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