问题
解答题
计算: (1)
(2)
(3)
(4)2
|
答案
(1)原式=
=
÷1 24 2 3
=1 16
;1 8
(2)原式=
=xy÷ y x
=|x|;x2
(3)原式=
=
÷4 3
×8 3 8 5
=4 5
;2 5 5
(4)原式=4
÷3 5 2
×2 1 4
=3
×2 5
=3 2 2
.3 2 5
计算: (1)
(2)
(3)
(4)2
|
(1)原式=
=
÷1 24 2 3
=1 16
;1 8
(2)原式=
=xy÷ y x
=|x|;x2
(3)原式=
=
÷4 3
×8 3 8 5
=4 5
;2 5 5
(4)原式=4
÷3 5 2
×2 1 4
=3
×2 5
=3 2 2
.3 2 5