13.已知點(diǎn)P關(guān)于x軸的對(duì)稱點(diǎn)的坐標(biāo)是.則點(diǎn)P的坐標(biāo)是 查看更多

 

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已知點(diǎn)關(guān)于軸的對(duì)稱點(diǎn)是第三象限內(nèi)的整點(diǎn)(橫、縱坐標(biāo)都為整數(shù)的點(diǎn),稱為整點(diǎn)),則點(diǎn)的坐標(biāo)是          

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13、已知點(diǎn)A(1,-2),若A、B兩點(diǎn)關(guān)于x軸對(duì)稱,則B的坐標(biāo)是
(1,2)

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5、已知點(diǎn)A(-5,8)關(guān)于x軸對(duì)稱點(diǎn)的坐標(biāo)是
(-5,-8)
,關(guān)于y軸對(duì)稱點(diǎn)的坐標(biāo)是
(5,8)
,關(guān)于原點(diǎn)對(duì)稱點(diǎn)的坐標(biāo)是
(5,-8)

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16、已知點(diǎn)p(2,m)在函數(shù)y=2x-1的圖象上,則點(diǎn)p關(guān)于y軸對(duì)稱的點(diǎn)的坐標(biāo)是
(-2,3)

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14、已知點(diǎn)A關(guān)于x軸的對(duì)稱點(diǎn)的坐標(biāo)是(-1,2),則點(diǎn)A關(guān)于原點(diǎn)的對(duì)稱點(diǎn)的坐標(biāo)是
(1,2)

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