← CombinatoricsCombinatorics 037 — ZAP 2016, Exercise 5CombinatoricsZAP 2016MediumYour answerWrite your answer, then compare it with the solution.Reveal solutionStuck? Show me one stepRelated exercisesSimilarCombinatorics 010 — A pizza with three toppingsCombinatorics 027 — ZAP 2025, Exercise 3: Till coins