Alexander Hristov@batman13Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencebatman13 has not updated employment details yet.Educationsofia high school of mathematicsMathematicsLinksbatman13 has not updated links details yet. Skillsbatman13 has not updated skills details yet.