(a+b)-(x+y)(b-a)提负号如果是提一个,那么(1-x)(y-2)=_____(x-1)(y-2)又该怎样填?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 15:36:42
![(a+b)-(x+y)(b-a)提负号如果是提一个,那么(1-x)(y-2)=_____(x-1)(y-2)又该怎样填?](/uploads/image/z/13729001-41-1.jpg?t=%28a%2Bb%29-%28x%2By%29%28b-a%29%E6%8F%90%E8%B4%9F%E5%8F%B7%E5%A6%82%E6%9E%9C%E6%98%AF%E6%8F%90%E4%B8%80%E4%B8%AA%2C%E9%82%A3%E4%B9%88%281-x%29%28y-2%29%3D_____%28x-1%29%28y-2%29%E5%8F%88%E8%AF%A5%E6%80%8E%E6%A0%B7%E5%A1%AB%3F)
x)HNըЮHM|?ŖO?]lޜg3Ehxc˦OvvhVhjTiƃF!-tj{"}Z_`gC? ӋPl_\gr 变
(a+b)-(x+y)(b-a)提负号如果是提一个,那么(1-x)(y-2)=_____(x-1)(y-2)又该怎样填?
(a+b)-(x+y)(b-a)提负号如果是提一个,那么(1-x)(y-2)=_____(x-1)(y-2)又该怎样填?
(a+b)-(x+y)(b-a)提负号如果是提一个,那么(1-x)(y-2)=_____(x-1)(y-2)又该怎样填?
(1-x)(y-2)=-(x-1)(y-2)