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 Βιβλία Βιβλία 11 - 20 από 20 για Progression, any three of them being given, the othrr two may be found, viz. 1. The....
Progression, any three of them being given, the othrr two may be found, viz. 1. The first term. 2. The last term. 3. The number of terms. 4. The sum of all the terms.
Practical and Mental Arithmetic on a New Plan - Σελίδα 259
των Roswell Chamberlain Smith - 1852
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## Arithmetic, in which the Principles of Operating by Numbers are Analytically ...

...find the sum of all the terms ? GEOMETRICAL PROGRESSION. If 113. Any series of numbers, continually increasing by a constant multiplier, or decreasing by a constant divisor, is called a Geometrical Progression. Thus, 1, 2, 4, 8, 16, &c. is an increasing geometrical series, and 8, 4,...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

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...haw many had he : A. 8. GEOMETRICAL PROGRESSION. H tXXXIX. Any rank or series of numhers, increasmg by a constant multiplier, or decreasing by a constant...Thus, 3, 9, 27, 81, &.c., is an increasing geometrical tents; And 81, 27, 9, 3, &c., is a decreastng geometrical series. There are fiv,e terms in Geometrical...

## Arithmetic on the Productive System: Accompanied by a Key and ..., Βιβλίο 3

Roswell Chamberlain Smith - 1841 - 311 σελίδες
...series of iimniirrs, which increases by a constant multiplier, or decreases by a constant divisor. 2 Thus, 3, 9, 27, 81, &c., is an increasing geometrical series ; and 61, 27, 9, 3, Ac., is a decreasing geometrical series. 3. There are five terms in Geometrical Progression,...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1842 - 306 σελίδες
...series of numbers, which increases by a Qonstant multiplier, or decreases by a constant divisor. 2. Thus, 3, 9, 27, 81, &c., is an increasing geometrical...27, 9, 3, &c., is a decreasing geometrical series. 3. There are five terms in Geometrical Progression, and, like Arithmetical Progression, any three of...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1843 - 306 σελίδες
...series of numbers, which increases by a constant multiplier, or decreases by a constant divisor. 2. Thus, 3, 9, 27, 81, &c., is an increasing geometrical...27, 9, 3, &c., is a decreasing geometrical series. 3. There are five terms in Geometrical Progression, and, like Arithmetical Progression, any three of...

## Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - 1843 - 240 σελίδες
...difference ? the number of terms ? 10. Having the first term, last term, GEOMETRICAL PROGRESSION, Is any rank or series of numbers, increasing by a constant multiplier, or decreasing by a constant divisor ; and this multiplier or divisor is called the ratio of the progression. f 1, 2, 4, 8, 16, &c., is...

## Daboll's Complete Schoolmaster's Assistant: Being a Plain Comprehensive ...

Nathan Daboll, David Austin Daboll - 1849 - 249 σελίδες
...difference ? tho number of terms ? 10. Having the first term, last term, GEOMETRICAL PROGRESSION, Is any .rank or series of numbers, increasing by a constant multiplier, or decreasing by a constant divisor ; and this multiplier or divisor is called the ratio of the progression. f'l, 2, 4, 8, 16, <fec., is...

## ARITHMETIC ON THE PRODUCTIVE SYSTEM

ROSWELL C. SMITH - 1850
...series of numbers, which increases by a constant multiplier, or decreases by a constant divisor. 2. Thus, 3, 9, 27, 81, &c., is an increasing geometrical...27, 9, 3, &c., is a decreasing geometrical series. 3. There are five terms in Geometrical Progression, and, like Arithmetical Progression, any three of...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1856 - 311 σελίδες
...series of numbers, whiah increases by a constant multiplier, or decreases by a constant divisor. 2. Thus, 3, 9, 27, 81, &c., is an increasing geometrical...27, 9, 3, &c., is a decreasing geometrical series. 3. There are five terms in Geometrical Progression, and, like Arithmetical Progression, any three of...

## Introduction to the National Arithmetic: On the Inductive System, Combining ...

Benjamin Greenleaf - 1870 - 330 σελίδες
...the terms ? What Ac common difference ? GEOMETRICAL PROGRESSION. 311, Geometrieal Progression is a series of numbers increasing by a constant multiplier, or decreasing by a constant divisor. . The Ratio is the constant multiplier or divisor. The Terms are the numbers of which the series is...