阅读材料:若m2-2mn+2n2-8n+16=0,求m、n的值. ∵m2-2mn+2n2-8n+16=0,∴(m2-2mn+n2)+(n2-8n+16阅读材料:若m2-2mn+2n2-8n+16=0,求m、n的值.∵m2-2mn+2n2-8n+16=0,∴(m2-2mn+n2)+(n2-8n+16)=0∴(m-n)2+(n-4)2=0,∴
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