你可能感兴趣的试题
M(1,﹣3),N(﹣1,﹣3) M(﹣1,﹣3),N(﹣1,3) M(﹣1,﹣3),N(1,﹣3) M(﹣1,3),N(1,﹣3)
(-1,-3,-5) (-1,-3,5) (-1,3,-5) (1,-3,-5)
(-3,2) (3,-2) (-2,3) (2,3)
(2,﹣3) (﹣2,3) (2,3) (﹣2,﹣3)
(-2,-3)和点 (2,3)在直角坐标系中( ). (A.)关于x轴对称 (B.)关于y轴对称 ( )关于原点对称 ( )不关于坐标轴和原点对称
(2,3) (﹣2,3) (﹣2,﹣3) (2,﹣3)
(-3, 2) (3,-2) (-2, 3) (2,3)
M(1,-3),N(-1,-3) M(-1,-3),N(-1,3) M(-1,-3),N(1,-3) M(-1,3),N(1,-3)
(﹣3,2) (3,﹣2) (﹣2,3) (2,3)