求证三角形一个角的平分线与这个角的对边上的高所形成的夹角等于另两个角之差的一半．已知 Abc中ae⊥bc于ead平分∠bac∠c＞∠ Sketch Coloring Page

求证三角形一个角的平分线与这个角的对边上的高所形成的夹角等于另两个角之差的一半．已知 Abc中ae⊥bc于ead平分∠bac∠c＞∠ Template

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tomski求证三角形一个角的平分线与这个角的对边上的高所形成的夹角等于另两个角之差的一半．已知 abc中ae⊥bc于ead平分∠bac∠c＞∠ coloring

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