1.如圖,在正方形網(wǎng)格中,線(xiàn)段AB繞點(diǎn)O旋轉(zhuǎn)一定的角度后與線(xiàn)段CD重合(C、D均為格點(diǎn),A的對(duì)應(yīng)點(diǎn)是點(diǎn)C),若點(diǎn)A的坐標(biāo)為(-1,5),點(diǎn)B的坐標(biāo)為(3,3),則旋轉(zhuǎn)中心O點(diǎn)的坐標(biāo)為( ?。?/div>
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發(fā)布:2024/9/21 10:0:8組卷:815引用:6難度:0.6
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