x^2-y^2/ax-bx+ay-by等于多少?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/25 04:16:37
x^2-y^2/ax-bx+ay-by等于多少?x^2-y^2/ax-bx+ay-by等于多少?x^2-y^2/ax-bx+ay-by等于多少?(x-y)/(a-b)..(x^2-y^2)/(ax-b

x^2-y^2/ax-bx+ay-by等于多少?
x^2-y^2/ax-bx+ay-by等于多少?

x^2-y^2/ax-bx+ay-by等于多少?
(x-y)/(a-b)..

(x^2-y^2)/(ax-bx+ay-by)=(x+y)(x-y)/(ax+ay-(bx+by))=(x+y)(x-y)/(a(x+y)-b(x+y))=(x+y)(x-y)/(a-b)(x+y)=(x-y)/(a-b)