The Werner Arithmetic: Oral and Written, Βιβλίο 3
American Book Company, 1898 - 290 σελίδες
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In reading integral numbers the primary unit should be , and usually is , most prominent in consciousness . Thus , the number 275 is made up of 2 hundreds ...
Known numbers , or those that may be known without solving a problem , when not expressed by figures , are usually represented by the first letters of the ...
The sign of multiplication is usually omitted between two letters representing numbers , and between figures and letters ; thus , a xb , is usually written ...
Observe that in written problems in addition the figures that stand for units of the same order are usually written in the same column . 1.
Usually , however , the term coefficient has reference to the numerical coefficient . Algebraic Addition . 54. Regarding the following positive numbers as ...
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The Werner Arithmetic, Oral and Written, Book One, Parts I, II and III
Frank H. Hall
Πλήρης προβολή - 1897