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RAY'S ARITHMETIC, THIRD BOOK.

PRACTICAL

ARITHMETIC.

BY

INDUCTION AND ANALYSIS.

By JOSEPH RAY, M.D.

LATE PROFESSOR OY MATHEMATICS IN WOODWARD COLLROR

ONE THOUSANDTH EDITION-IMPROVED.

CINCINNATI:
WILSON, HINKLE & CO.
PHIL'A: CLAXTON, REMSEN & HAFFELFINGER.

NEW YORK: CLARK & MAYNARD.