组合数学 Traditional 組合數學 zǔ hé shù xué 🔊 combinatorial mathematics + Keep this word Meanings zǔ hé shù xué 組合數學 combinatorial mathematicscombinatorics Its characters 组zǔto formHSK 4合héto closeHSK 5数shǔto countHSK 4学xuéto learnHSK 1