(z-x)2-4(x-y)(y-z)=0 求证x-2y+z=0 (提示:设x-y=a,y-z=b,则x-z=a+b)写错了是(z-x)的平凡-4(x-y)(y-z)=0 求证x-2y+z=0 (提示:设x-y=a,y-z=b,则x-z=a+b)那个平凡老是打不出来!sorry
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 01:26:33
![(z-x)2-4(x-y)(y-z)=0 求证x-2y+z=0 (提示:设x-y=a,y-z=b,则x-z=a+b)写错了是(z-x)的平凡-4(x-y)(y-z)=0 求证x-2y+z=0 (提示:设x-y=a,y-z=b,则x-z=a+b)那个平凡老是打不出来!sorry](/uploads/image/z/8566619-59-9.jpg?t=%28z-x%292-4%28x-y%29%28y-z%29%3D0+%E6%B1%82%E8%AF%81x-2y%2Bz%3D0+%EF%BC%88%E6%8F%90%E7%A4%BA%EF%BC%9A%E8%AE%BEx-y%3Da%2Cy-z%3Db%2C%E5%88%99x-z%3Da%2Bb%EF%BC%89%E5%86%99%E9%94%99%E4%BA%86%E6%98%AF%28z-x%29%E7%9A%84%E5%B9%B3%E5%87%A1-4%28x-y%29%28y-z%29%3D0+%E6%B1%82%E8%AF%81x-2y%2Bz%3D0+%EF%BC%88%E6%8F%90%E7%A4%BA%EF%BC%9A%E8%AE%BEx-y%3Da%EF%BC%8Cy-z%3Db%EF%BC%8C%E5%88%99x-z%3Da%2Bb%EF%BC%89%E9%82%A3%E4%B8%AA%E5%B9%B3%E5%87%A1%E8%80%81%E6%98%AF%E6%89%93%E4%B8%8D%E5%87%BA%E6%9D%A5%EF%BC%81sorry)
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