摘要:4.圆 (x – 2 )2+ 2 = 1关于x 轴对称的圆方程是 ( ) A.(x – 2 )2 + 2 = 1 B.(x – 3 )2 + 2 = 1 C.( x + 2 )2 + 2 = 1 D.( x + 2 )2 + 2 = 1

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