Unitary Arithmetic: Embodying the First Book of Arithmetic of the Irish National Board with a Full Exposition of the Unitary System Or Method of Working Arithmetic Without Rules, with Numerous Additional Examples, and Selections from Examination Papers Set at the College of Preceptors, the London University, the Civil Service, and Oxford and Cambridge Local Examinations

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Longmans, Green & Company, 1882

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Σελίδα 92 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 60 - DISCOUNT. DISCOUNT is an allowance made for the payment of money before it is due. The present worth of a debt payable at some future...
Σελίδα 96 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 92 - Rule. — Divide the numerator by the denominator, the quotient will be the whole number...
Σελίδα 79 - RULE. Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator. If...
Σελίδα 9 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards — 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.

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