问题 解答题
把下列各式化为最简二次根式
(1)
216
            
(2)
2
1
12
                
(3)
1
32

(4)-6
2
3
           
(5)
132-112
             
(6)
62+42
答案

(1)

216
=6
6

(2)

2
1
12
=
25
12
=
5
6
3

(3)

1
32
=
1
8
2

(4)-6

2
3
=-6×
6
3
=-2
6

(5)

132-112
=
48
=4
3

(6)

62+42
=
52
=2
13

多项选择题
单项选择题