如实数a、b满足|a-2|+(b+1/2)^2=0,则立方根ab=()

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如实数a、b满足|a-2|+(b+1/2)^2=0,则立方根ab=()
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如实数a、b满足|a-2|+(b+1/2)^2=0,则立方根ab=()
如实数a、b满足|a-2|+(b+1/2)^2=0,则立方根ab=()

如实数a、b满足|a-2|+(b+1/2)^2=0,则立方根ab=()
a=2、b=-1/2
立方根ab=(-1)

(x-1)^2 = 0 xy+1=0,x-1=0 x=1,y=-1 x+y的立方根={1+(-1)}的立方根=0的立方根=0 (x^3 - 1)/(x-1)=(x-1)(x^2+x+1