问题 解答题
计算:
(1)(2
12
-
6
)2
3

(2)(5+
6
)(5
2
-2
3
)
答案

(1)原式=(4

3
-
6
)×2
3

=4

3
×2
3
-
6
×2
3

=24-6

3

(2)原式=25

2
-10
3
+5
12
-2
18

=25

2
-10
3
+10
3
-6
2

=19

2

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