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](/uploads/image/z/1617461-53-1.jpg?t=%E5%B7%B2%E7%9F%A5x%2Cy%E6%BB%A1%E8%B6%B3+%7Cx%2B2%7C%2B%EF%BC%88x%2B3y%2B5%EF%BC%89%26%23178%3B%3D0.%E6%B1%82%EF%BC%88-2xy%EF%BC%89%26%23178%3B%EF%BC%88-y%EF%BC%89%26%23178%3B%C2%B76xy%26%23178%3B%E7%9A%84%E5%80%BC)
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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