> 数学 >
化简:
(1)
27
12
3

(2)(
2
+
3
2(5-2
6
).
人气:194 ℃ 时间:2019-12-09 00:55:35
解答
(1)原式=
9
-
4

=3-2
=1;
(2)原式=(5+2
6
)(5-2
6

=25-24
=1.
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