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Βιβλία Βιβλία 11 - 20 από 173 για 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 Complete Epitome of Practical Navigation, and Nautical Astronomy ... - Σελίδα 223
των John William Norie, J. W. Saul - 1917 - 595 σελίδες
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Key to National Arith

Benjamin Greenleaf - 1837
...365^X24=8766X60 = 525960X60 = 31557600; 2348 + 1835 =4183 X 31557600 = 132005440800 Ans. 39. June 13 + July 31+ August 31 + September 30 + October 31 + November 30 + December 31 + January 31 + February 16 + 365 + 365 = 974 days, Ans. 40. 676 X 36 = 24336 X 4 = 97344 pecks, Ans....

The First Book; Or, Spelling Lessons for Primary Schools

Thomas J. Lee - 1838 - 120 σελίδες
...Svo. Octavo. 12mo. 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,...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 10 11 12 13 14...

Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 σελίδες
...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 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,...

A Jewish Calendar for Sixty-four Years: Detailing the New Moons, Festivals ...

Elias Hiam Lindo - 1838 - 134 σελίδες
...TW September 30 days October 31 „ November 30 „ December 31 „ January 31 „ February 28 „ March 31 „ April 30 „ May 31 „ June 30 „ July 31 „ August 31 „ or 29 11 12 13 20 25 26 1 2 3 10 11 9 10 4 9 10 19 8 22 6 7 19 20 21 8 22 23 6 7 20 24 6 11 12...

Arithmetic. [With] Key, Τόμος 1

Robert Goodacre - 1839
...January, 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...

A Key to the National Arithmetic: Exhibiting the Operation of the More ...

Benjamin Greenleaf - 1839 - 110 σελίδες
...Ans. 38. 365JX24=8766X60 = 525960X60 2348 + 1835 = 4183 X 31557600 = 132005440800 Ans. 39. June 13 + July 31 + August 31 + September 30 + October 31 + November 30 + December 31 + January 31 + February 16 + 365 + 365 = 974 days, Ans. 40. 676 X 36 = 24336 X 4 = 97344 pecks, Ans....

A manual of commerce

William Waterston - 1840
...in a year are 12 in numher, as follows 1— January, 31 days ; Fehruary, 28 ihut in leap years, 29I; March, 31; April, 30; May, 31 ; June, 30; July, 31 ; August, 31 ; Septemher, 30 ; Octoher, 31 ; Novemher, 30 ; and Decemher, 31 days. The CIVIL YEAR, or mean solar...

A Key to the National Arithmetic: Exhibiting the Operation of the More ...

Benjamin Greenleaf - 1841 - 128 σελίδες
...3651X24=8766X60 = 525960X60 = 31557600; 2348 + 1835 = 4183 X 31557600 = 132005440800 Ans. 39. June 13 + July 31+ August 31 + September 30 + October 31 + November 30+ December 31 + January 31 + February 16 + 365 + 365 = 974 days, Ans. 40. . 676 X 36 = 24336 X 4 = 97344 pecks, Ans....

Conversations on arithmetic

Mrs. Henry Ayers - 1843 - 446 σελίδες
...months, as under, and 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 ; but if...

The practical arithmetic

1843
...twenty and nine. Consequently, January contains 31 days, February 28 in the common year, and 29 in the leap-year, March 31, April 30, May 31, June 30, July...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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