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点(-2,3)关于直线y=x+1对称的点的坐标是
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A.(2,-1)
B.(3,0)
C.(3,-1)
D.(2,0)
点P(2,5)关于直线x+y+1=0的对称点的坐标为
A.(6,-3)
B.(3,-6)
C.(-6,-3)
D.(-6,3)
(6,-3)
(3,-6)
(-6,-3)
(-6,3)