Читать книгу The Infant System - Samuel Wilderspin - Страница 16
CHAPTER XXI. ARITHMETIC.
ОглавлениеThe arithmeticon—How applied—Numeration—Addition—Subtraction—Multiplication—Division—Fractions—Arithmetical tables—Arithmetical songs—Observations
The arithmeticon—How applied—Numeration—Addition—Subtraction—Multiplication—Division—Fractions—Arithmetical tables—Arithmetical songs—Observations