Question: bilakah k-12 digunakan di filipina
Answer: 2013-05-15; 2013 05 15; 05/15/2013; 15 Mei 2013; 15 05 2013; 2013 Mei 15; 05 15 2013; 15-05-2013; 15/05/2013; 2013-05-15; 2013 may, 15; 05-15-2013