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的坐标是(-2,3),△ABC与△A1B1C1关于原点对称,则顶点A1的坐标是( ) A.(-3,2) (2,-3) (1,-2) (3,-1)
(3,2) (2,﹣3) (﹣2,3) (﹣2,﹣3)
(3,-2) (2,3) (-2,3) (2,-3)
(2,3) (—2,3) (—2,—3) (—3,2)
(3,2) (2,﹣3) (﹣2,3) (﹣2,﹣3)
(2,-3) (2,3) (3,-2) (-2,-3)
(﹣2,﹣3) (3,﹣2) (2,3) (2,﹣3)
)(2,2) ( )(3,2) ( )(3,3) ( )(2,3)
B.D.的坐标分别是(0,0),(5,0)(2,3),则顶点C.的坐标是( ) A.(3,7) (5,3) (7,3) (8,2)
的坐标是(-2,3),△ABC与△A1B1C1关于原点对称,则顶点A1的坐标是( ) A.(-3,2) (2,-3) (1,-2) (3,-1)
(2,﹣3) (2,3) (﹣2,﹣3) (﹣2,3)
(-2,-3) (2,-3) (-2,3) (2,3)