# A Complete Arithmetic, Oral and Written

Taintor Brothers, Merrill & Company, 1876 - 394 páginas

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Página 96 - The least common multiple of two or more numbers is the least number that is exactly divisible by each of them.
Página 369 - How many bricks, 8 inches long, 4 inches wide, and 2 inches thick, will it take to build a wall 40 feet long, 20 feet high, and 2 feet thick ? Ans.
Página 338 - The first term is 2, the last term 512, and the ratio 3 ; what is the sum of all the terms ? Ans. 767. 2. The first term is 4, the last term is 262144, and the ratio is 4 ; what is the sum of the series ? Ans.
Página 49 - The sign of multiplication is X , and is read times or multiplied by.
Página 208 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Página 208 - To multiply by 10, 100, 1000, etc., it is necessary only to move the decimal point in the multiplicand as many places to the right, annexing ciphers, if necessary, as there are ciphers in the multiplier.
Página 270 - FIVE HUNDRED DOLLARS, value received, and charge the same to the account of EB SMITH & Co.
Página 223 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Página 251 - RULE. Divide the given interest by the interest of \$1 for the given time at the given rate. EXAMPLES FOR PRACTICE.
Página 345 - RULE. — From half the sum of the three sides, subtract each side separately; multiply the half -sum and the three remainders together; the square root of the product is the area.