對角線長度.png (700 × 460 像素,檔案大細:7 KB ,MIME類型:image/png

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粵語: 證明正多邊形的對角線長度的圖
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作者 你入嘅用戶名已經有人用咗

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20 8 2024

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現時2024年8月20號 (二) 12:02響2024年8月20號 (二) 12:02嘅縮圖版本700 × 460(7 KB)你入嘅用戶名已經有人用咗Uploaded own work with UploadWizard

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