Year 11 HSC Math Extension Learn. Perms and combs FactorialsPermutationsCombinationsCircular seating arrangementsRearranging words Master. Permutations, combinations and polynomials module examMathematic Year 11 Ext Term 2 Exam # 1Mathematic Year 11 Ext Term 2 Exam # 2 Share this:TwitterFacebookLike this:Like Loading...