已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根
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![已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根](/uploads/image/z/1641062-38-2.jpg?t=%E5%B7%B2%E7%9F%A5%EF%BC%9B%26%23179%3B%E2%88%9Ax%3D4%E4%B8%94%EF%BC%88y-2z%2B1%EF%BC%89%26%23178%3B%2B%E2%88%9Az-3%3D0%E6%B1%82x%2By%26%23179%3B%2Bz%26%23179%3B%E7%9A%84%E7%AB%8B%E6%96%B9%E6%A0%B9)
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已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根
已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根
已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根
³√x=4
x=64
(y-2z+1)²+√z-3=0
z-3=0
z=3
y-2z+1=0
y=2z-1=6-1=5
x+y³+z³的立方根
=(64+5³+3³)的立方根
=(64+125+27)的立方根
=216的立方根
=6
=4³=64
且y-2z+1=z-3=0
z=3
y=2z-1=5
x+y³+z³=64+125+27=216
所以原式=³√216=6