与 «EQUIDIFFERENT»相关的英语书籍
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1
The North American arithmetic
To find an equidifferent mean between two given terms. RULE. Add the two given
terms together, and half their sum will be the equidifferent mean required. 11.
Find an equidifferent mean between 3 and 15. 12. What is the equidifferent mean
...
2
A Treatise on Arithmetic, in Theory and Practice: With an ...
Writers on arithmetic usually treat of only two kinds of series, equidifferent scries
and continual proportionals. These are of more frequent and general use, than
other kinds of series, and, on this account, claim more particular attention.
James Bates Thomson,
1851
3
Arithmetic, theoretical and practical. [With] Key
Take any equidifferent series, as 3, 7, 11, 15, 19, 23, whose common difference is
4. It is obvious that this series may be arranged thus : 8, 3 + 1X4, 8 + 2X4, 3+3X4,
3+4X4, 3 + 5X4, where it is plain that any term as the 6th is equal to the first 3, ...
Chambers W. and R., ltd,
1859
4
Treatise on Arithmetic, in Theory and Practice: With an ...
EQUIDIFFERENT SERIES, OR ARITHMETICAL PROGRESSION." An
EQUIDIFFERENT series is that in which the terras either all increase, or all
decrease, by the same quantity.* This quantity is called the common difference.
Thus, 5, 7, 9, 11, ...
James Thomson (LL.D.),
1837
5
Exercises and problems in algebra [by J. Pryde] with ...
13. The sum of three numbers in harmonic progression is 23, and the sum of their
squares is 259 ; find the numbers. PROBLEMS IN EQUIDIFFERENT,
EQUIRATIONAL, AND HARMONIC PROGRESSION. 1. Find three numbers in
equidifferent ...
EQUIDIFFERENT AND EQUIRATIONAL SERIES. 5 l. When there are any series
of numbers such that each is formed from the previous by the addition or
subtraction of the same number, they are said to be in Equidifferent progression,
or in ...
7
Questions adapted to Emerson's North American arithmetic, ...
In any equidifferent series, to what is the sum of the two extremes equal 1 Give an
explanation. The difference between the extreme terms of an equidifferent series
is equal to what ? Explain why. The sum of all the terms of any equidifferent ...
William Draper Swan,
1841
8
The elements of algebra
EQUIDIFFERENT PROGRESSION.* (417.) ' If the difference between any term of
a series of quantities that increases or decreases, and the following term, be
always the same, it is called an equidifferent series or progression ; in the former
...
Andrew Bell (writer on mathematics.),
1839
9
A treatise on algebra: for the use of schools and colleges
EQUIDIFFERENT, EQUIMULTIPLE AND HARMONIC SERIES. I.
EQUIDIFFERENT SERIES. § 249. A series of quantities such that each differs
from the preceding by a constant quantity, is called an equidifferent series ; and
sometimes an ...
10
Text-book of arithmetic, for the use of teachers
Equidifferent Series. A series of numbers increasing or decreasing by a common
difference, is called an Equidifferent Series, and sometimes, though improperly,
an Arithmetical Progression. Thus, in the series 5, 8, 11, 14, 17, &c., or 17, 14, 11,
...
John Hunter (of Uxbridge.),
1847