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Revision history of "2021 OIM Problems/Problem 4"

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  • (cur | prev) 03:00, 14 December 2023‎ Tomasdiaz (talk | contribs)‎ . . (303 bytes) (+303)‎ . . (Created page with "== Problem == Let <math>a,b,c,x,y,z</math> be real numbers such that <cmath>a^2+x^2=b^2+y^2=c^2+z^2=(a+b)^2+(x+y)^2=(b+c)^2+(y+z)^2=(c+a)^2+(z+x)^2</cmath> Show that <math>...")
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