Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is Combined with the Use of the Slate : Containing a Complete System for All Practical Purposes Being in Dollars and Cents

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Cady & Burgess, 1847 - 282 páginas
 

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Página 3 - Eleven 11 Twelve 12 Thirteen 13 Fourteen ". .... 14 Fifteen 15 Sixteen 16 Seventeen 17 Eighteen 18 Nineteen 19 Twenty 20 Twenty-one 21 Twenty-two 22 Twenty-three 23 Twenty-four 24...
Página 251 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Página 19 - Decedents," and to repeal said original sections, -and to repeal sections one (1), two (2), three (3), four (4), five (5), six (6), seven...
Página 261 - Divide the difference of the extremes by the common difference, and the quotient, increased by 1 , will be the answer.
Página 193 - Multiply the second and third terms together, and divide their product by the first term , the quotient will be the answer...
Página 200 - Lastly, multiply the third term by the continued product of the second terms, and divide the result by the continued product of the first terms, and the quotient will be the fourth term, or answer required.
Página 251 - Point off the given number into periods of two figures each, by putting a dot over the units, another over the hundreds, and so on.
Página 193 - ... 3. Divide the product of the second and third terms by the first term ; the quotient will be the answer to the question, in the same denomination with the second term, which may be brought into any other denomination required. The Rule of Three...
Página 210 - But if any payment be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year : add it to the sum paid, and deduct that sum from the principal and interest added as above.* " If any payments be made of a less sum than the interest arisen at the time of such payment, no interest is to be computed but only on...
Página 113 - Divide the terms of the given fraction by any number, that will divide them without a remainder, and these quotients again in the same manner ; and so on till it appears, that there is no number greater than 1, which will divide them again, and the fraction will be in its lowest terms.

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