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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. "
An Elemtary Arithmetic ...: Serving as an Introduction to the Higher ... - Σελίδα 138
των George Roberts Perkins - 1849 - 347 σελίδες
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Report of Progress in ...

1800
...the 200,000 barrels allowed on the chart. First 6 months 182 days, daily average say 200bbls.= 36,400 July, 31 August, 31 September, 30 October, 31 November, 30 December, 31 Total for year, .... 400 600 700 900 1,200 1,500 12,400 15,500 21,000 27,900 36,000 46,500 195,700...

The Young Man's Best Companion and Guide to Useful Knowledge

John Dougall - 1815 - 476 σελίδες
...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 September, April,...

Time tables, on a new construction, whereby four hundred calculations may be ...

William Shackleton (author of The mental calculator.) - 1825 - 24 σελίδες
...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, Aprii,...

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
...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 10 11 12 13 14...

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 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....

A theoretical and practical system of arithmetic

W H. Crank - 1843
...each. Days. January . . . . 31 February . . . . 28 (29 in Leap Year.) March .. ..31 April 30 Days. July .. .. ..31 August . . . . ..31 September . ....October . . . . 31 November . . . . 30 December . . .31 May 31 June 30 The civil year is taken at 365} days, making an error in 1 year of -007736 of a day,...

Conversations on arithmetic

mrs. Henry Ayres - 1843 - 446 σελίδες
...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...

A Key to the first part of Molineux's Practical arithmetic

Joseph Hall (of Macclesfield.) - 1844
...240000 80 greater number. fiO 14. January .... 31 February .... 28 March 31 April 30 May 31 June 30 July 31 August 31 September . . 30 October 31 November . . 30 December . . 31 365 Days. May 18 June 30 July 31 August 31 September... 30 October 5 145 Days. 36 Miles. 18 17 Hi 14 8...




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