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" Separate the given number into periods of two figures each, by placing a dot over units, hundreds, &c. "
The Bryant and Stratton Business Arithmetic - Page 199
by H. Bryant - 1881
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A New Introduction to the Science of Algebra...

Silas Totten - Algebra - 1836 - 360 pages
...root of 4 ; vT, the 4th root of 4, &c. EXTRACTION OF THE SQUARE ROOT.* RULE. (56.) Divide the given number into periods of two figures each, . by placing a dot over the unit figure, and another over every second figure to the left. Find the greatest square in the...
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Elements of Arithmetic: For Schools and Academies. In which Decimal and ...

Pliny Earle Chase - Arithmetic - 1844 - 246 pages
...product of the tens by the units plus the square of the units. Hence we deduce the following RULE. Separate the number into periods of two figures each, by placing a point over the units' figure, and another over each second figure to the left (and also to the right,...
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The Elements of Arithmetic ... in which Decimal and Integral Arithmetic are ...

Pliny Earle Chase - 1844 - 258 pages
...product 3f the tens by the units plus the square of the unit't. Hence we deduce the following RULE. Separate the number into periods of two figures each, by placing a point over the units' figure, and another over each second figure to the left (and also to the right,...
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The Elements of Arithmetic...: In which Decimal and Integral ..., Part 2

Pliny Earle Chase - Arithmetic - 1848 - 244 pages
...product of the tens by the units plus the square of the units. Hence we deduce the following RULE. *• Separate the number into periods of two figures each, by placing a point over the units' figure, and another over each second figure to the left (and also to the right,...
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Putnam's Arithmetic

Rufus Putnam - Arithmetic - 1849 - 276 pages
...proceed as before. Hence the following RULE FOR EXTRACTING THE SQUARE ROOT. 1 . Separate the given number into periods of two figures each, by placing a dot over every second figure, beginning at units; thus, 84165.041680. The number of dots will show how many...
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The practice and theory of arithmetic

William Frederick Greenfield - 1853 - 228 pages
...of 9 ; si/27 = cube root of 27, &c. /. TO FIND THE SQUARE ROOT OF A GIVEN NUMBER. Rule — 1. Divide the number into periods of two figures each, by placing a dot over every alternate figure, beginning with the units' place. 2. Find the largest number, whose square does...
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A Treatise on Arithmetic, Combining Analysis and Synthesis: Adapted to the ...

James Stewart Eaton - Arithmetic - 1857 - 376 pages
...may be in the root. Hence, To Extract the Square Root of a number, RULE. — 1. Separate the given number into periods of two figures each, by placing a dot over units, hundreds, etc. 2. Find the greatest square in the left hand period and set its root at the right, in...
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The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...or second root of numbers. Ex. 1. What is the square root of 1296 ? Ans. 36. Beginning at the right, we separate the „ ,, number into periods of two figures each, by "' placing a point (•) over the right-hand figure OPERATION. 1296 __•__ of each period. Since the number of...
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1860 - 456 pages
...of numbers. Ex. 1. What is the square root of 1296 ? Ans. 36. OPEBATIOX. Beginning at the right,.- we separate the „ „ number into periods of two figures each, by ' placing a point (•) over the right-hand figure of each period. Since the number of periods 396 is two, the...
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Bryant and Stratton's Commercial Arithmetic: In Two Parts. Designed for the ...

Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 348 pages
...and since the square of units 6x2=12 5)625 is composed of units and tens, and the square of tens, of hundreds and thousands, we separate the number into...of the root. The greatest perfect square in 42 is 36, the square root of which is 6. Hence 6 is the ten's figure of the root. Subtracting the square...
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