问题
解答题
计算: (1)
(2)
(3)5
(4)
|
答案
(1)原式=
=75
=552×3
;3
(2)原式=
=xx2y
;y
(3)原式=-5
=-1518
;2
(4)原式=2
×33
×32
=543
.2
计算: (1)
(2)
(3)5
(4)
|
(1)原式=
=75
=552×3
;3
(2)原式=
=xx2y
;y
(3)原式=-5
=-1518
;2
(4)原式=2
×33
×32
=543
.2