题目内容
(1)
=
;
(2)
=
.
x |
x+1 |
xy |
() |
(2)
3xy |
x2-2x |
() |
x-2 |
(1)
=
=
;
(2)
=
=
.
故答案为y(x+1);3y.
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.
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