63 lines
6.1 KiB
XML
63 lines
6.1 KiB
XML
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<title id="title">杨辉三角（保留待填写的空格）</title>
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<desc id="desc">根据教材扫描图人工重绘的矢量教学示意图。文字与线条可无损缩放。</desc>
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