← CombinatoricsCombinatorics 004 — Three-digit numbers divisible by 6CombinatoricsPracticeHardYour answera)b)c)Enter only the number. Use a point or comma for decimals.Check answerReveal solutionStuck? Show me one stepRelated exercisesEasierCombinatorics 002 — Multiples of 15 with digit sum 9SimilarCombinatorics 032 — ZAP 2020, Exercise 5: Four-digit numbers with conditionsCombinatorics 033 — ZAP 2019, Exercise 8: Five-digit numbers from 1,2,3,4,5