Practical arithmetic for senior classes

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Oliver and Boyd, 1863 - 192 páginas
 

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Página 92 - Proportional, when the ratio of the first to the second is equal to the ratio of the second to the third.
Página 22 - To reduce fractions to their lowest terms. A fraction is in its lowest terms when its numerator and denominator are prime to each other; that is, when both terms have no common divisor. 1. Reduce the fraction -|| to its lowest terms.
Página 22 - We have seen in the preceding exercise that we may divide both the numerator and the denominator of a fraction by the same number without changing the value of the fraction.
Página 55 - Multiply as in the multiplication of integers, and point off" as many decimal places in the product as there are decimal places in both multiplicand and multiplier.
Página 94 - Three numbers may be in proportion when the first is to the second as the second is to the third.

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