pomóżcie rozwiązać to zadanie zwłaszcza podpunkty: c, d i e proszeeeee

a) = {2,3,5,7,11,13,17,19} b) = {2,3,5,7,11,13,17,19,23,29} / {10,11,12 ... 20}= {2,3,5,7,23,29} c) = N / {2,3,5,7,11,13 ... U 4,6,8,9,10,12 ... } = {0,1} d) = R iloczyn ( P/ { 10,11,12,13 ... } = R iloczyn { 2,3,5,7} = {2,3,5,7} e) = {2,3,5,7,11,13,17,19 ...} U {0} = P U {0}