18.4*26 这样的16K纸上,裁剪出圆锥的展开图
18.4*26 这样的16K纸上,裁剪出圆锥的展开图,(侧面扇形和底面圆)面积最大方案。
- Target Group (Age)
- 14 – 18
- Language
- Chinese Simplified / 简体中文
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