若实数xy满足根号下x+1+(y-5)²则xy的次方值为?
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若实数xy满足根号下x+1+(y-5)²则xy的次方值为?若实数xy满足根号下x+1+(y-5)²则xy的次方值为?若实数xy满足根号下x+1+(y-5)²则xy的次方值
若实数xy满足根号下x+1+(y-5)²则xy的次方值为?
若实数xy满足根号下x+1+(y-5)²则xy的次方值为?
若实数xy满足根号下x+1+(y-5)²则xy的次方值为?
根号下x+1+(y-5)²=0
x+1=0,y-5=0
x=-1,y=5
所以
x的y次方
=(-1)的5次方
=-1
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