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" To find the number of Permutations or changes, that can be made of any given number of things, all different from each other. RULE. "
The New Complete System of Arithmetic: Composed for the Use of the Citizens ... - Page 334
by Nicolas Pike - 1802 - 352 pages
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Arithmetic: Practically Applied, for Advanced Pupils, and for Private ...

Horace Mann, Pliny Earle Chase - Arithmetic - 1857 - 398 pages
...changes that can be made in the order of a given number of things. PROBLEM I. To find the number of changes that can be made of any given number of things, all different from each other. How many changes may be made in the position of 4 persons at table ? If there were but two persons,...
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Concise system of arithmetic, re-arranged and enlarged by A. Trotter

A. Melrose - 1881 - 314 pages
...three and three together, etc. PROBLEM I. To find the number of permutations that can be made of any number of things all different from each other. RULE. Multiply all the terms of the natural series of numbers, from unity up to the given number of things. Ex. — In how many ways could 7 persons...
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Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ...

Nathan Daboll - Arithmetic - 1825 - 258 pages
...QUANTITIES, JS the showing how many different ways any given number of things may be changed. To find the number of Permutations or changes, that can be made...all different from each other. RULE. Multiply all th« Cerrns of the natural series of numbers, from one up lo the given number, continually together,...
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The Common-school Arithmetic: Designed for Learners of Every Class; and ...

Pliny Earle Chase - Arithmetic - 1848 - 300 pages
...of these 6 changes, and there would then bel X 2X3X4 = 24 changes. Therefore, to find the number of changes that can be made of any given number of things, all different from each other, Multiply together the natural series of numbers, (1, 2, 3, &c.,) up to the given number of things,...
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