Jawabanmu

2014-09-06T21:12:10+07:00
Nilai x < 300
n1 = 1 , 2
n2 = 1,2,3,7,9
n3 = 1,2 3 7 9

maka n(s)= n1x n2 x n3 = 2 x 5 x 5 = 50 bilangan
praktekin aja lansung klo ga percaya 111 ; 112 ; 113 dst