組合くみあわせ数学すうがくMeaningsNoun1. combinatoricsOther spellings組くみ合あわせ数すう学がくUsage share unknownKanji used組organized group合come together数number学studyComposed of組合くみあわせcombination; assortment; set; matching (in a contest); pairingNoun数すう学がくmathematicsNoun