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反演变换 求线段最值.gsp
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圆上另一交点作法.zip
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istone0520 发表于 2024-12-30 10:59 前置条件:任意圆心$O$,过任意点$R$的圆,圆外一点$P$,圆上一点$A$,选中$A$点——菜单“度量”——“点 ...
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