问题
填空题
约分:
|
答案
=6a2bc3 70ac2
;3abc 35
=6x2-6y2 3x2-6xy+3y2
=6(x+y)(x-y) 3(x-y)2
=2(x+y) x-y
.2x+2y x-y
约分:
|
=6a2bc3 70ac2
;3abc 35
=6x2-6y2 3x2-6xy+3y2
=6(x+y)(x-y) 3(x-y)2
=2(x+y) x-y
.2x+2y x-y