题目内容
把下列各式化为最简二次根式
(1)
(2)
(3)
(4)-6
(5)
(6)
.
(1)
| 216 |
(2)
2
|
(3)
|
(4)-6
|
(5)
| 132-112 |
(6)
| 62+42 |
(1)
=6
;
(2)
=
=
;
(3)
=
;
(4)-6
=-6×
=-2
;
(5)
=
=4
;
(6)
=
=2
.
| 216 |
| 6 |
(2)
2
|
|
| 5 |
| 6 |
| 3 |
(3)
|
| 1 |
| 8 |
| 2 |
(4)-6
|
| ||
| 3 |
| 6 |
(5)
| 132-112 |
| 48 |
| 3 |
(6)
| 62+42 |
| 52 |
| 13 |
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