EXERCISES IN ARITHMETIC BY G. A. WENTWORTH AND G. A. HILL PART I.: EXERCISE MANUAL PART II.: EXAMINATION MANUAL BOSTON, U.S.A., AND LONDON 1903 |
EXERCISES IN ARITHMETIC BY G. A. WENTWORTH AND G. A. HILL PART I.: EXERCISE MANUAL PART II.: EXAMINATION MANUAL BOSTON, U.S.A., AND LONDON 1903 |