已知x,y满足 |x+2|+(x+3y+5)²=0.求(-2xy)²(-y)²·6xy²的值
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已知x,y满足 |x+2|+(x+3y+5)²=0.求(-2xy)²(-y)²·6xy²的值
已知x,y满足 |x+2|+(x+3y+5)²=0.求(-2xy)²(-y)²·6xy²的值
已知x,y满足 |x+2|+(x+3y+5)²=0.求(-2xy)²(-y)²·6xy²的值
x,y满足 |x+2|+(x+3y+5)²=0.
则:x=-2,y=-1
(-2xy)²(-y)²·6xy²
=4x²y²y²6xy²
=24x^3y^6
=-192
由已知条件得X+2=O (X+3Y+5)=0,X=-2 Y=-1,带入求解
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