若x²-y²-x+y=(x-y)*A,则A=__________.若x²-y²-x+y=(x-y)*A,则A=__________.
来源：学生学帮网 编辑：学帮网 时间：2024/06/25 03:25:30
若x²-y²-x+y=(x-y)*A,则A=__________.
若x²-y²-x+y=(x-y)*A,则A=__________.
答：
x^2-y^2-x+y
=(x-y)(x+y)-(x-y)
=(x-y)(x+y-1)
=(x-y)*A
所以：A=x+y-1