尺规作图——只用直尺过圆外一点作圆的切线 知乎 Template




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Try and sketch some of theseChair, Albatross, Rowboat, Record player, Nebula, Wallaby, Parcel, Escalator, Stethoscope, Ham, view more ideas


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tomski尺规作图——只用直尺过圆外一点作圆的切线 知乎 coloring