若m-2n+3=0,则m2-4mn+4n2=若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊若m-2n+3=0,则m²-4mn+4n²=
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若m-2n+3=0,则m2-4mn+4n2=若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊若m-2n+3=0,则m²-4mn+4n²=若m-2n+3
若m-2n+3=0,则m2-4mn+4n2=若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊若m-2n+3=0,则m²-4mn+4n²=
若m-2n+3=0,则m2-4mn+4n2=
若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊
若m-2n+3=0,则m²-4mn+4n²=
若m-2n+3=0,则m2-4mn+4n2=若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊若m-2n+3=0,则m²-4mn+4n²=
m²-4mn+4n²=(m-2n)²=(-3)²=9
设m>n>0,若(m-n)2/mn=2则m2-n2/mn
m2+n2+2mn-4m-3n=0 m2+n2-2mn-n+2=0 m,n分别是几?
若m2-4mn+4n2=0,求m+n/m-n
已知|m-2|+(m+n)2=0,求4m-6m2-2mn-2m2+3n2-mn的值.
已知m大于n大于0,m2+n2=4mn,则mn分之(m2-n2)=?快
设m>n>0,m2+n2=4mn,则mn分之m2-n2的值为多少?
设m>n>0,m2+n2=4mn,则mn分之m2-n2的值为多少?
若m=2n+1,则m2-4mn+4n2的值是什么?
若m-2n+3=0,则m2-4mn+4n2=若m-2n+3=0,则m²-4mn+4n²=帮帮我写不出啊若m-2n+3=0,则m²-4mn+4n²=
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,∴
若m-n=-2 求2/(m2+n2)-mn
设m>n>0,m2+n2=4mn则(m2-n2)/mn=
设m>n>0,m2+n2=3mn,则mn分之m2-n2的值为多少?
若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值
若(-5/3)m-(2/7)m2,判断m+n,m-n,mn的大小关系
已知实数m,n,且m>n>0,m²+n²=4mn,则m²﹣n²/mn的值等于∵(m+n)²=m²+2mn+n²,(m-n)²=m²-2mn+n²,m²+n²=4mn.(m+n)²=6mn(m-n)²=2mn(m+n)²(m-n)²=12m²n²mm³-2m