若有理数xyz满足(2x+1)^2+(3-y)^2+丨z+3丨等于0 求代数式(z-x)^y的值
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若有理数xyz满足(2x+1)^2+(3-y)^2+丨z+3丨等于0 求代数式(z-x)^y的值
![若有理数xyz满足(2x+1)^2+(3-y)^2+丨z+3丨等于0 求代数式(z-x)^y的值](/uploads/image/z/8664051-3-1.jpg?t=%E8%8B%A5%E6%9C%89%E7%90%86%E6%95%B0xyz%E6%BB%A1%E8%B6%B3%282x%2B1%29%5E2%2B%283-y%29%5E2%2B%E4%B8%A8z%2B3%E4%B8%A8%E7%AD%89%E4%BA%8E0+%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F%28z-x%29%5Ey%E7%9A%84%E5%80%BC)
xyz满足(2x+1)^2+(3-y)^2+丨z+3丨等于0 求代数式(z-x)^y的值
满足 2x+1 = 0 3-y = 0 z+3 = 0
x= -1/2 y=3 z= -3
(z-x)^y的值
= ( -3 +1/2 ) ^ 3
= ( - 5/2 ) ^ 3
= - 125/ 8
满足 2x+1 = 0 3-y = 0 z+3 = 0
x= -1/2 y=3 z= -3
(z-x)^y的值
= ( -3 +1/2 ) ^ 3
= ( - 5/2 ) ^ 3
= - 125/ 8
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