已知m^2+n^2+2m-6n+10=0,则m+n等于希望大家把过程写清楚,谢谢~
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![已知m^2+n^2+2m-6n+10=0,则m+n等于希望大家把过程写清楚,谢谢~](/uploads/image/z/116354-2-4.jpg?t=%E5%B7%B2%E7%9F%A5m%5E2%2Bn%5E2%2B2m-6n%2B10%3D0%2C%E5%88%99m%2Bn%E7%AD%89%E4%BA%8E%E5%B8%8C%E6%9C%9B%E5%A4%A7%E5%AE%B6%E6%8A%8A%E8%BF%87%E7%A8%8B%E5%86%99%E6%B8%85%E6%A5%9A%2C%E8%B0%A2%E8%B0%A2%7E)
已知m^2+n^2+2m-6n+10=0,则m+n等于希望大家把过程写清楚,谢谢~
已知m^2+n^2+2m-6n+10=0,则m+n等于
希望大家把过程写清楚,谢谢~
已知m^2+n^2+2m-6n+10=0,则m+n等于希望大家把过程写清楚,谢谢~
(m^2+2m+1)+(n^2-6n+9)=0
(m+1)^2+(n-3)^2=0
m=-1,n=3
m+n=2
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