A Key to the first part of Molineux's Practical arithmetic |
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A Key to the First Part of Molineux's Practical Arithmetic Hall,Thomas Molineux Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
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Σελίδα 45 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Σελίδα 102 - ... to four times the square of their mean proportional, more five times the square of their common difference. 5. The sum of the squares of five numbers in Arithmetical progression, is equal to five times the square of the middle number, added to ten times the square of their common difference. 6. The sum of the cubes of any two numbers, is equal to twice the cube of their mean proportional, more six times the mean proportional multiplied by the square of one half their difference. 7. The sum of...