00723cam a22002171 4500 e 16001289 DLC 20260227111207.0 880408s1915 ph f000 0 eng c e 16001289 (OCoLC)17759746 Library, U.S. Bur. of Education DNIE DLC QA139 .P573 1915 Philippines. Bureau of Education. Supplementary problems for trade schools and trades classes in the Philippine public schools. Manila, Bureau of printing, 1915. 76 p. 23 cm. At head of title: Bureau of education. Arithmetic Problems, exercises, etc. Arithmetic Textbooks. 20044 20044