 | Ira Wanzer - Arithmetic - 1831 - 408 pages
...any ginrn number at a time. RULE. — 1. Take the series 1,2, 3, 4, &c. up to the numbe to be taken at a time, and find the product of all the terms....decreasing by 1, from the given number, out of which the election is to be made, and find the product of all the terms. 3. Divide the latter product by the... | |
 | John Rose - Arithmetic - 1835 - 192 pages
...different combinations of 2, viz. ab, ac. ad. dc, db, be. Thus, 4X3=12 — =6 Ans. 1X2= 2 RULE. — 1. Take a series of as many terms decreasing by 1, from the number, out of which the election is to be made ; and find the product of all its terms for a dividend.... | |
 | Benjamin Greenleaf - 1837 - 134 pages
...series 1, 2, 3, Sfc. up to the number to be taken at a time, and find the product of all the terms. Then take a series of as many terms, decreasing by 1, from the given number, out of which the election is to be made, and f,nd their product. Then divide the last product by the former, and the... | |
 | William Tate - 1837 - 358 pages
...product of a series of the same number of times, decreasing by 1 from the greatest number of times out of which the combination is to be made, and find the quotient of the latter product divided by the former, for the number of the combinations required.... | |
 | Benjamin Greenleaf - Arithmetic - 1839 - 136 pages
...series 1, 2, 3, Sfc. up to the number to be taken at a time, andjind the product of all the terms. Then take a series of as many terms, decreasing- by 1, from the given number, out of which the election is to be made, and ßnd their product. Then divide the last product by the former, and the... | |
 | Charles Waterhouse - Arithmetic - 1842 - 178 pages
...number at a time. RULE I. — Take the series 1, 2, 3, &c., up to the number of things to be taken at a time, and find the product of all the terms....decreasing by 1, from the given number, out of which the election or choice is to be made, and find the product of all the terms. 3. Divide the last product... | |
 | Charles WATERHOUSE - Arithmetic - 1844 - 228 pages
...2, 3, &c., up to the number of tilings to be taken at a time, and find the product of all the terms. Take a series of as many terms, decreasing by 1, from the given number, out of which the election or choice is to be made, and find the product of all the terms. Divide the last product by... | |
 | Charles Haynes Haswell - Engineering - 1844 - 298 pages
...RULE. — Multiply together the natural series, 1, 2, 3, &c., up to the number to be taken at a time. Take a series of as many terms, decreasing by 1, from the number out of which the choice is to be made, and find their continued product. Divide this last product... | |
 | Benjamin Greenleaf - Arithmetic - 1846 - 164 pages
...series 1, 2, 3, fyc. up to the number to be taken at a time, and ßnd the product of all the terms. Then take a series of as many terms, decreasing by 1, from the given number, out of which the election is to be made, and find their product. Then divide the last product by the former, and the... | |
 | Benjamin Greenleaf - Arithmetic - 1851 - 374 pages
...series 1, 2, 3, 4, cj-c., up to the number to be taken at a time, and find the product of all the terms. Take a series of as many terms, decreasing by 1 from the given number out of which the election is to be made, and find the product of all the terms. Divide the last product by the former,... | |
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Take a series of as many terms, decreasing by 1, from the given number, out of which the election is to be made, and find the product of all the terms. 
