Solved problems
Un étrange billardFRAdventures on the German AutobahnConvert fraction into decimal numberSpace AdventureUn exemple de factorielleFRSimple operations with factorialsFraction avec des factoriellesFREquality with rootsThe wooden cubeRecognizing a perpendicular bisectorHidden fractionsExercice sur les identités remarquablesFRAn easy additionOn camels and dromedariesExamples of singletonsDegree of easy polynomialsAn easy example of a matrixThe three chestsPolynomials or not?Equality of simple matricesSquare of an odd number