File:مثال حل معادلة تربيعية.jpg
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![File:مثال حل معادلة تربيعية.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/%D9%85%D8%AB%D8%A7%D9%84_%D8%AD%D9%84_%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%AA%D8%B1%D8%A8%D9%8A%D8%B9%D9%8A%D8%A9.jpg/297px-%D9%85%D8%AB%D8%A7%D9%84_%D8%AD%D9%84_%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%AA%D8%B1%D8%A8%D9%8A%D8%B9%D9%8A%D8%A9.jpg?20170606182014)
Size of this preview: 297 × 598 pixels. Other resolutions: 119 × 240 pixels | 238 × 480 pixels | 381 × 768 pixels | 508 × 1,024 pixels | 1,437 × 2,895 pixels.
Original file (1,437 × 2,895 pixels, file size: 180 KB, MIME type: image/jpeg)