已知实数x,y满足(x²+y²+2)²=9,则x²+y²=
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已知实数x,y满足(x²+y²+2)²=9,则x²+y²=
已知实数x,y满足(x²+y²+2)²=9,则x²+y²=
已知实数x,y满足(x²+y²+2)²=9,则x²+y²=
已知实数x,y满足(x²+y²+2)²=9,则x²+y²=1
已知实数x,y满足(x²+y²+2)²=9,则x²+y²=
x²+y²+2=3
x²+y²=1