Geometry problems solving - my point of view
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vineri, 31 decembrie 2021
aops, Saudi Pre-Test 2011, https://artofproblemsolving.com/community/c6t48f6h2747302_bt__2pt_if_ltbat__lt_bcs__10o_in_40o70o70o_triangle
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https://artofproblemsolving.com/community/c4t48f4h3706052_ad____bc_triangle_806040_2021_spain_oma_andalusia_p3
Nice problem, lost source
Full solution of https://www.facebook.com/photo/?fbid=1899709203808549&set=a.148394885606665
Thanking to Alin Cretu,
ToT2, pr. 1, 2
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