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It is called "Pythagoras' Theorem" and can be written in one short equation:
a2 + b2 = c2
2. รวมวิธีพิสูจน์ทฤษฎีบทพีทาโกรัส 100 วิธี http://www.cut-the-knot.org/pythagoras/index.shtml
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It is called "Pythagoras' Theorem" and can be written in one short equation:
a2 + b2 = c2
2. รวมวิธีพิสูจน์ทฤษฎีบทพีทาโกรัส 100 วิธี http://www.cut-the-knot.org/pythagoras/index.shtml