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Βιβλία Βιβλία 1 - 10 από 65 για The square of a number composed of tens and units is equal to the square of the tens,....
" The square of a number composed of tens and units is equal to the square of the tens, plus twice the product of the tens by the units, plus the square of the units. tens' + 2 x tens x units + units "
The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ... - Σελίδα 383
των Horatio Nelson Robinson - 1868 - 456 σελίδες
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Elements of Algebra

William Smyth - 1830 - 264 σελίδες
...units and tens, is composed of three parts, viz. the square of the tens, plus twice the product of the tens multiplied by the units, plus the square of the units. Thus in 2209, the square of 47, we have The square of the tens (a2) = 1600 twice the tens by the units...

A Treatise on Algebra: Containing the Latest Improvements. Adapted to the ...

Charles William Hackley - 1846 - 503 σελίδες
...the square of the tens, the remainder, 1184, contains, as we have seen above, twice the product of the tens multiplied by the units plus the square of the units. But the product of the tens multiplied by the units must be tens, or have one cipher on the right,...

The American Arithmetic

James Robinson (of Boston.) - 1847
...every number composed of tens and units must contain the square of the tens, plus twice the product of the tens multiplied by the units, plus the square of the units. We will now reverse the process of finding the second power of 40 -f- 8, and we shall obtain one of...

The American Common-school Arithmetic: In which the Principles of the ...

Rufus Putnam - 1850 - 264 σελίδες
...tens from the given cube, the remainder contains three times the square of the tens, plus three times the tens multiplied by the units, plus the square of the units, all multiplied by the units. (Why?) (97.) Therefore, dividing the cd 1744 remainder by the former factor,...

A THEORETICAL AND PRACTICAL ARITHMETIC

DANIEL LEACH, WILLIAM D. SWAN - 1851
...(40)2~4800. 302. The complete divisor is always three times the square of the tens, phis three times the tens, multiplied by the units, plus the square of the units / as? 3 (40)2+3 (40x5)+52zz:5425. 303. The difference between any trial divisor and the next complete...

A Theoretical and Practical Arithmetic: Designed for Common Schools and ...

Daniel Leach - 1853
...(40+5 )a= 3 (40)3 +6(40X5)+3(5)2=6075. It is evident, from the preceding propositions, that three times the tens multiplied by the units, plus the square of the units, added to any trial divisor, will give the next complete divisor. It is also evident, that the difference...

Treatise on Algebra, for the Use of Schools and Colleges

William Smyth - 1855 - 336 σελίδες
...units and tens, is composed of three parts, viz. the square of the tens, plus twice the product of the tens multiplied by the units, plus the square of the units. Thus in 2209, the square of 47, we have The square of the tens (a2) = 1600 Twice the tens by the units...

The Intellectual Multiplier: Comprising Concise and Easy Methods of ...

1856 - 30 σελίδες
...that number. The square of any number is equal to the square of the tens, plus twice the product of the tens multiplied by the units, plus the square of the units. 1. What is the product of 125 multiplied by 125 ? Solution. 120 x 120 = 14400 + 120 x 5 x 2 = 15600...

The national arithmetic: on the inductive system, combining the ..., Βιβλίο 3

Benjamin Greenleaf - 1857 - 324 σελίδες
...tens, hundreds, &c. of .the square root of the number. 2. The square of a number consisting O/TENS and UNITS is equal to the square of the tens, plus twice the product of the tens into the units, plus the square of the units. Thus, if the tens of a number be...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1858 - 444 σελίδες
...lens, hundreds, &c. of the square root of the number. 2. The square of a number consisting O/"TENS and UNITS is equal to the square of the tens, plus twice the product of the tens into the units, plus the square of the units. Thus, if the tens of a number be...




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