题目内容
把下列各式化成最简二次根式:
(1)
;(2)x2
;
(3)
;(4)
;
(5)
;(6)
.
(1)
5
|
|
(3)
|
| 0.48(a3b2+a2b3) |
(5)
|
| 1 |
| a |
|
(1)原式=
=
a
;
(2)原式=x2
=x
;
(3)原式=
=
;
(4)原式=
=
ab
;
(5)原式=
=
;
(6)原式=
=
.
|
| 7 |
| 3 |
| a |
(2)原式=x2
| ||
|
| 2x |
(3)原式=
| ||
|
2xy
| ||
| z3 |
(4)原式=
|
| 2 |
| 5 |
| 3(a+b) |
(5)原式=
|
| 1 |
| 6 |
| 13 |
(6)原式=
| 1 |
| a |
|
| 1 |
| a2 |
| a(a+1) |
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