问题
填空题
(1)
(2)
|
答案
(1)
=x x+1
=xy (x+1)•y
;xy xy+y
(2)
=3xy x(x-2)
=x•3y x(x-2)
.3y x-2
故答案为y(x+1);3y.
(1)
(2)
|
(1)
=x x+1
=xy (x+1)•y
;xy xy+y
(2)
=3xy x(x-2)
=x•3y x(x-2)
.3y x-2
故答案为y(x+1);3y.