Revision history of "1991 APMO Problems/Problem 5"

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  • (cur | prev) 09:13, 30 June 2021Repzram06 (talk | contribs). . (260 bytes) (+260). . (Created page with "Given are two tangent circles and a point <math>P</math> on their common tangent perpendicular to the lines joining their centres. Construct with ruler and compass all the cir...")