Practical and Mental Arithmetic, on a New Plan, in which Mental Arithmetic is Combined with the Use of the Slate

Εξώφυλλο
Daniel Burgess and Company, 1836 - 284 σελίδες
 

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Σελίδα 2 - One 1 Two 2 Three 3 Four 4 Five 5 Six 6 Seven 7 Eight 8 Nine 9 Ten 10 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...
Σελίδα 209 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed ; provided the time between one payment and another be one year or more.
Σελίδα 79 - In 2 ? In 3 ? In 4? In 5? In 6? In 7? In 8? In 9? In 10? In 11 ? 5. How many times is 6 contained in 1 ? In 2 ? In 3 ? In 4? In 5? In 6?
Σελίδα 257 - 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.
Σελίδα 267 - Hence, to find the present worth of any annuity, at 5 or 6 per cent...
Σελίδα 261 - Divide the difference of the extremes by the common difference, and the quotient, increased by 1 , will be the answer.
Σελίδα 271 - A's income $400 ; A spends $300; B $450. 11. There is a fish whose head is 8 feet long, his tail is as long as his head and half...
Σελίδα 44 - The Dividend is the number to be divided. The Divisor is the number by which we divide. The Quotient is the number of times...
Σελίδα 210 - But if any payments 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...
Σελίδα 176 - Divide the given interest by the interest of the given sum, at 1 per cent, for the given time ; the quotient will be the required rate.

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