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" January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31. "
Arithmetic, algebra, differential and integral calculus, by W. Rutherford ... - Página 68
por Royal Military Academy, Woolwich - 1853
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The Young Man's Best Companion and Guide to Useful Knowledge

John Dougall - 1815 - 476 páginas
...The days in each of these months are, January 31, February 2b in common years, and 29 in leap year, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31. To recollect these numbers, the following lines will b* serviceable. Thirty days, have...
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The Arithmetical Catechism, Compiled from Various Authors, for the Use of ...

Henry Jackson - 1824 - 165 páginas
...own answers. . 1st. In the present year (1824) January has 31 Days, February 29, (it being leap year) March 31, April 30, May 31, June 30, July 31, August 31, Sept. 30, Oct. 31. Nov. 30, Dec. 31 ;— how many days in the year ? 2d. According to the census of...
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Time tables, on a new construction, whereby four hundred calculations may be ...

William Shackleton (author of The mental calculator.) - 1825 - 24 páginas
...360|361|362|363|3641365 The Number of Days in each Calendar Month, is as follows : — January 31 February 28 March 31 April 30 May 31 June 30 July 31 August 31 September 30 October 31 November 30 December - 31 The following Lines may assist the memory in recollecting them ; ïhirty days bath September,...
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Mechanics Magazine, Volumen6

1827
...change, consists of 21»i days, or. 59 half days nearly, therefore Epart 22 January 31 February 28 March 31 April 30 May ..31 June 30 July 31 August 31 September 20 285 2 89)578(9 531 2)39 19¿ days, moon's age, 20th of September, 182C. The above work may be much...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volumen6

Perry Fairfax Nursey - 1827
...to fcange, consists of 29¿ days, or 59 alf days nearly, therefore Epact 22 January 31 February 28 March 31 April 30 May 31 June 30 July 31 August 31 September...... 20 59)570(9 531 2)39 19¿ days, moon's age, 20th of September, 1826. The above work may be much shortened,...
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - 1830 - 288 páginas
...31 ; January, 31 ; February, 28 ? Ans. 90. 17. How many in the Summer and Autumn months, containing June, 30 ; July, 31 ; August, 31 ; September, 30 ; October, 31 ; November, 30 ? Ans. 183. 18. Then, how many days in the year ? Ans. 365. 19. If it require 650 men to man a 74 gun...
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - 1830 - 288 páginas
...31 ; January, 31 ; February, 28 ? Ans. 90. 17. How many in the Summer and Autumn months, containing June, 30; July, 31 ; August, 31 ; September, 30-; October, 31; November, 30 ? Ant. 183. 18. Then, how many days in the year ? Ana. 365. 19. If it require 650 men to man a 74 gun...
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History of Spain and Portugal, Volumen2

Samuel Astley Dunham - 1832
...Regeb 30 Shaffan 29 Ramdan 30 Xawal 29 Dilcada 23 Days. November 20 December 31 January 31 February 28 March 31 April ., 30 May 31 June 30 July 31 August 31 September 24 318 313 g & OS (5 <! i MOHAM1V *. O 02 2 o I aa co '3 'e 1 I ? 1 O i (d NAVARB a B •§ » m 31...
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The Common School Arithmetic: Prepared for the Use of Academies and Common ...

Charles Davies - 1833 - 270 páginas
...15371781930 1. How many days are there in the twelve calendar months? January has 31, February 28, March 31, April 30, May 31, June 30, July 31, August...September 30, October 31, November 30, and December 31. Ans. 365. 2. A merchant on settling his accounts finds that 'he owes A 60 dollars, B 150 dollars, C...
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Mental and Practical Arithmetic

Charles Davies - 1838 - 288 páginas
...APPLICATIONS. 1. How many days are there in the twelve callendar months? January has 31, February 28, March 31, April 30, May 31, June 30, July 31, August...September 30, October 31, November 30, and December 31. Ans. 365 days. 2. A merchant on settling his accounts finds that he owes A 60 dollars, B 150 dollars,...
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