若|m+3|+m²-mn+1/4n²=0,则m=____,n=____
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若|m+3|+m²-mn+1/4n²=0,则m=____,n=____若|m+3|+m²-mn+1/4n²=0,则m=____,n=____若|m+3|+m&#
若|m+3|+m²-mn+1/4n²=0,则m=____,n=____
若|m+3|+m²-mn+1/4n²=0,则m=____,n=____
若|m+3|+m²-mn+1/4n²=0,则m=____,n=____
|m+3|+m²-mn+1/4n²=0
|m+3|+(m-n/2)²=0
则：m+3=0,m-n/2=0
得：m=-3,n=-6