Jawabanmu

2014-08-31T19:56:09+07:00
A. 30 : 1,2,3,5,6,10,15,30
60 : 1,2,3,4,5,6,10,12,15,20,30,60
b. 1,2,3,5,6,10,15,30
c. 2,3,5