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" ... when the third term is less than the first, and requires the fourth to be greater than the second... "
Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically ... - Σελίδα 254
των John Preston - 1817 - 520 σελίδες
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Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic ...

Roswell Chamberlain Smith - 1830 - 286 σελίδες
...first, and requires the fourth term, or answr, to be less t!rnn the sccond ; and less requires more, when the third term is less than the first, and requires the fourth term to he more than the second. RULE. State and reduce the terms as in the Rule nf Three Direct ;...

Conkling's Arithmetic: The Young Arithmetician's Guide to a Knowledge of ...

Thomas Conkling (W.) - 1831 - 302 σελίδες
...first, and requires the fourth— term or answer to be less than the second; and less requires more, is when the third term is less than the first, and requires the fourth term, or answer, to be less than the second. Observe. — There are some methods of operation in direct...

Cobb's Explanatory Arithmetick, Number Two: Containing the Compound Rules ...

Lyman Cobb - 1832 - 228 σελίδες
...first, and requires the fourth term, or answer, to be less than the second. Less requiring more, is when the third term is less than the first, and requires the fourth term, or answer, to be greater than the second. The greatest difficulty, and, in fact, the only difficulty,...

A New System of Arithmetick: In which the Rules are Familiarly Demonstrated ...

William Ruger - 1832 - 282 σελίδες
...the third term is greater than the first, and requires an answer to be less than the second term ; or when the third term is less than the first, and requires the answer or fourth term to be greater than the second, the question belongs to the Rule of Three Inverse....

Every Man His Own Teacher: Being an Introduction to Arithmetic, Whereby ...

John Preston - 1834 - 312 σελίδες
...men. d. men. 4 : 2 : : 8 2 8)8(1 day, answer. In this example the fourth term is as much less thair the second, as the third is greater than the first...fourth number, 24. That is to say, if 36 days require 12 persons to devour the food, what number of persons will 18 days require ? Here the third term is...

Cobb's Explantory Arithmetick, Number Two: Containing the Compound Rules ...

Lyman Cobb - 1836 - 228 σελίδες
...greater than the first, and requires the fourth term, or answer, to be greater than the tecond; or, when the third term is less than the first, and requires the fourth term, or answer, to be less than the second, the sum belongs to, or must be worked by the Rule of Three...

Complete Schoolmaster's Assistant: Being a Plain Comprehensive System of ...

Nathan Daboll - 1839 - 220 σελίδες
...than the fir?t, and requires the fourth term to be less than the second ; and less requiring more is when the third term is less than the first, and requires the fourth term to be greater than the second.] Thus, if 3 men can perform a piece of work in 6 days, how long...

Practical and Mental Arithmetic: On a New Plan in which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1841 - 306 σελίδες
...first, and requires the fourth term, or answer, to he less than the second ; and less requires more, when the third term is less than the first, and requires the fourth term to bo more than the second. RULE. State and reduce the terms as in the Rule of Three Direct :...

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

Roswell Chamberlain Smith - 1841 - 324 σελίδες
...first, and r&quires the fourth term, or answer, in he less than the second ; and less requires more when the third term is less than the first, and requires the fourth term to be more than the second. 8. In performing these examples, we in the first place multiplied...

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

William Ruger - 1841 - 268 σελίδες
...third term is greater than the first,' and requires an answer to be less than the second term ; or when the third term is less than the first, and requires the answer or fourth term to be greater than the second, the question belongs to the Rule of Three Inverse....




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