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Libros Libros 1 - 10 de 107 sobre January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31,...
" January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31. "
A Treatise on Arithmetic ...: In which the Principles of the Science are ... - Página 46
por Frederick Augustus Porter Barnard - 1830 - 288 páginas
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The Young Man's Best Companion and Guide to Useful Knowledge

John Dougall - 1815 - 476 páginas
...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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Time tables, on a new construction, whereby four hundred calculations may be ...

William Shackleton (author of The mental calculator.) - 1825
...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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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - 1830 - 288 páginas
...156. 15. How many days in the Spring months, containing March, 31 days ; April, 30 ; and May 31 ? Ans. 92. 16. How many in the Winter months, containing...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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The Common School Arithmetic: Prepared for the Use of Academies and Common ...

Charles Davies - 1833 - 270 páginas
...days are there in the twelve calendar months? January has 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, 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,...
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The First Book; Or, Spelling Lessons for Primary Schools

Thomas J. Lee - 1838 - 120 páginas
...Duodecimo. Names of the Months with the Number of Days. January, 31 February, 28 March, 31 April, 30 May 31 June. 30 July, 31 August, 31 September, 30 October, 31 November, 30 December, 31 FIGURES AND NUMBERS. 118 CHAPTER XXX. Figures and Numbers. Figurei. 1 2 3 4 5 6 7 8 9...
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Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 páginas
...are there in the twelve callendar months? January has 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, 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,...
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Arithmetic. [With] Key, Volumen1

Robert Goodacre - 1839
...containing 31 Days ; February, 28 Days, and in Leap Year, 29 ; March, 31 Days ; April, SO ; May, 31 ; June, 30 ; July, 31 ; August, 31 ; September, 30 ; October, 31 ; November, 30 ; and December, 31 Days. SEXAGESIMALS, OR MOTION. 60 Seconds make 60 Minutes 30 Degrees 12 Signs, or...
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The practical arithmetic

1843
...contains 31 days, February 28 in the common year, and 29 in the leap-year, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, and December 31. NOTE. — The civil year is 365 days for three successive years, and 366 every fourth...
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Conversations on arithmetic

Mrs. Henry Ayers - 1843 - 446 páginas
...varies in the number of days : — January 31 February 28 In leap year. . 29 March 31 April 30 May 31 June 30 July 31 August 31 September .... 30 October 31 November .... 30 December 31 To know when leap year happens, divide the year by 4 ; if nothing remain, it is leap year...
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Arithmetic, Designed for Academies and Schools

Charles Davies - 1843 - 12 páginas
...are there in the twelve calendar months ? January has 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, 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,...
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