yös sat gala os sat CHOROWAN A = {a, b, c, d alata yos sat f} sat os sat galata vos sat gala A) 25 3. =4.5=20 sat gat A kümesini

yös sat gala os sat CHOROWAN A = {a, b, c, d alata yos sat f} sat os sat galata vos sat gala A) 25 3. =4.5=20 sat gat A kümesinin 3 elemanlı alt kümelerinin kaç tanesin- de a eleman olarak bulunur? 225 52 How many of 3 element subsets of set A have a as an ment? 1 galak C) 15 D) 12 galata yös sat galata yös? galata yös sat 10 jalata yös sa 20 galata yös don't have c A) 2 galata galata yös at ga