Jawabanmu

2014-08-18T19:50:54+07:00
2014-08-18T19:51:34+07:00
14.400 : 4 x 9 = 32.400
harga 1 buku 14.400 : 4= 3600
harga 1 buku > 14.400 : 4= 3600. harga 9 buku >3600x9=32.400