)已知X、Y、Z满足关系式:绝对值4X-4Y+1 ,+1/5根号下2Y+Z+(X-1/2)^2=0,求代数式X^2(Y-Z)的值.
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![)已知X、Y、Z满足关系式:绝对值4X-4Y+1 ,+1/5根号下2Y+Z+(X-1/2)^2=0,求代数式X^2(Y-Z)的值.](/uploads/image/z/5238147-3-7.jpg?t=%29%E5%B7%B2%E7%9F%A5X%E3%80%81Y%E3%80%81Z%E6%BB%A1%E8%B6%B3%E5%85%B3%E7%B3%BB%E5%BC%8F%EF%BC%9A%E7%BB%9D%E5%AF%B9%E5%80%BC4X-4Y%2B1+%2C%2B1%2F5%E6%A0%B9%E5%8F%B7%E4%B8%8B2Y%2BZ%2B%28X-1%2F2%29%5E2%3D0%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8FX%5E2%28Y-Z%29%E7%9A%84%E5%80%BC.)
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)已知X、Y、Z满足关系式:绝对值4X-4Y+1 ,+1/5根号下2Y+Z+(X-1/2)^2=0,求代数式X^2(Y-Z)的值.
)已知X、Y、Z满足关系式:绝对值4X-4Y+1 ,+1/5根号下2Y+Z+(X-1/2)^2=0,求代数式X^2(Y-Z)的值.
)已知X、Y、Z满足关系式:绝对值4X-4Y+1 ,+1/5根号下2Y+Z+(X-1/2)^2=0,求代数式X^2(Y-Z)的值.
|4X-4Y+1| +1/5根号下(2Y+Z)+(X-1/2)^2=0 |4X-4Y+1|>=0 1/5根号下(2Y+Z)>=0 (X-1/2)^2>=0 4X-4Y+1=0 2Y+Z=0 X-1/2=0 X=1/2 4Y=4X+1=3 Y=3/4 Z=-2Y=-3/2 X^2(Y-Z)=(1/4)*(3/4+6/4)=9/16