Jawabanmu

2014-01-10T18:56:18+07:00
A.7 ={senin,sel,rabu,kam,jum,sab,ming}
b. 7={me,ji,ku,hi,bi,ni,u}
c.1 = {72}
d.13
2014-01-10T19:14:25+07:00
N(A)=senin,..minggu
n(B)=me,ji,ku,hi,bi,ni,u
n(C)=bilangan asli<72, bilangan asli nya 71,70.....
n(D)=13,17,19,23,29,31,34,37,41,43,47
1 5 1