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I 2,4,6,8, &c. is an ascending arithmetical series : o ( 8,6,4,2, &c. is a descending arithmetical series : The numbers which form the series, are called the terms of the progression ; the first and last terms of which aro called the extremes.* PROBLEM...
Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ... - Σελίδα 178
των Nathan Daboll - 1831 - 240 σελίδες
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## The North American Arithmetic: For Advanced Scholars. part third

Frederick Emerson - 1839 - 288 σελίδες
...increase by 1; but 9, 8, 7, 6, &c. form a descending series, because they continually decrease by 1. The numbers, which form the series, are called the terms of the series. The first and last terms in the series are called the extremes; and the other terms, the means....

## Practical and Mental Arithmetic ...

...arithmetical series, because it is formed by a continual subtraction of the com mon difference, 2. The numbers which form the series are called the terms of the series or progression. The first and last terms are called the extremes, and the other te-ros the means....

## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1840 - 264 σελίδες
...3, 5, 7, 9, 11, 13, 15, &c. is an 'weendtn'7 series. '\ 15, 13, 11, 9, 7, 5, 3, &c. is a descending series. The numbers which form the series are called the terms of the series. The first and last terms are the extremes, and the other terms are called the means. There...

## Ruger's Arithmetick, with Questions and Answers: A New System of Arithmetick ...

William Ruger - 1841 - 263 σελίδες
...™, < 2, 4, 6, 8, 10, 12, &c. is an ascending series. i nus, ^ 1,^ JQ, gg^ ^ 2; &c. is a descending series. The numbers which form the series are called...TERMS of the progression. THE FIRST and LAST terms are the EXTREMES, and the other terms are called the MEANS. • In Arithmetical Progression there ar«...

## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1841 - 262 σελίδες
...they form a descending series. rp, ( 3, 5, 7, 9, 11, 13, 15, &c. is an ascending series. ..us, 15 < series, The numbers which form the series are called the terms of the series. The first and last terms are the extremes, and the other terms are called the means. There...

## Arithmetical Spyglass and Teacher's Assistant: Intended as a Key and ...

Charles Waterhouse - 1842 - 166 σελίδες
...; but 9, 8, 7, 6, 5, 4, 3, 2, 1, form a descending series, because they continually decrease by 1. The numbers which form the series, are called the terms of the series. The first and last terms in the series, are called the extremes ; and the other terms the means....

## Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ...

Nathan Daboll - 1843 - 240 σελίδες
...'i^cfin'u'ig arithmetical series: ¿ H, G, 4, 2, &c. is a descending arithmetical sei ¡es : The number» which form the series, are called the terms of the progression : the first and last terms of which are called the extremes.* PR.OBLRM L The first term, the last term, and the number of terms being given,...

## The Columbian Calculator; Being a Practical and Concise System of Decimal ...

Almon Ticknor - 1846 - 264 σελίδες
...6, 4, 2, 0, is a descending arithmetical series. ) 32, 16, 8, 4, 2, 1, is a descending geometrical series. The numbers which form the series are called...terms of the progression. The first and last terms of a progression are called the extremes, and the other terms the means. Any three of the fol lowing things...

## The Columbian Calculator; Being a Practical and Concise System of Decimal ...

Almon Ticknor - 1846 - 264 σελίδες
...32, 16, 8, 4, 2, 1, is a descending geometrical serins. fttra Cll'l i ARITHMETICAL PROGRESSION. 213 The numbers which form the series are called the terms of the progression. The first and last terms of a progression are called the extremes, and the other terms the means. Any three of the fol lowing things...

## HIGHER ARITHMETIC; OR THE SCIENCE AND APPLICATION OF NUMBERS; COMBINING THE ...

JAMES B. THOMSON - 1847
...progression by quotients. If the series increases it is called ascending; if it decreases, descending. 2. The numbers which form the series, are called the terms of the progression. The common multiplier, or divisor, is called the ratio. For most purposes, however, it will be more simple...