问题
解答题
把下列各式化为最简二次根式 (1)
(2)
(3)
(4)-6
(5)
(6)
|
答案
(1)
=6216
;6
(2)
=2 1 12
=25 12 5 6
;3
(3)
=1 32 1 8
;2
(4)-6
=-6×2 3
=-26 3
;6
(5)
=132-112
=448
;3
(6)
=62+42
=252
.13
把下列各式化为最简二次根式 (1)
(2)
(3)
(4)-6
(5)
(6)
|
(1)
=6216
;6
(2)
=2 1 12
=25 12 5 6
;3
(3)
=1 32 1 8
;2
(4)-6
=-6×2 3
=-26 3
;6
(5)
=132-112
=448
;3
(6)
=62+42
=252
.13