Artithmetic theoretical and practical |
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Σελίδα 3
... ten is reached , this is considered as a new unit of a superior order ; and the succeeding num- bers are formed by successive combinations of the first nine natural numbers with ten , with two tens , with three tens , & c . , until ten ...
... ten is reached , this is considered as a new unit of a superior order ; and the succeeding num- bers are formed by successive combinations of the first nine natural numbers with ten , with two tens , with three tens , & c . , until ten ...
Σελίδα 4
... ten hundreds , or thousands , and so on ; the local value of each figure conti- nually increasing in a ten - fold degree as we advance one place further to the left . If in writing a number , any class , as units , tens , hundreds , & c ...
... ten hundreds , or thousands , and so on ; the local value of each figure conti- nually increasing in a ten - fold degree as we advance one place further to the left . If in writing a number , any class , as units , tens , hundreds , & c ...
Σελίδα 6
... tens , and hundreds . Besides this notation there was an older method of ex- pressing numbers ( a method found on ancient inscriptions , & c . ) by means of the initial letters of Ios for eἷς , Πέντε , Δέκα , - = = 50 ; [ ] = πεντάκις ...
... tens , and hundreds . Besides this notation there was an older method of ex- pressing numbers ( a method found on ancient inscriptions , & c . ) by means of the initial letters of Ios for eἷς , Πέντε , Δέκα , - = = 50 ; [ ] = πεντάκις ...
Σελίδα 7
... ten ; and when he had advanced as far as ten strokes , that he drew a cross line through them to denote that he had come to the end of his handful : his marks would be I , II , III , ... IHHHHHIL If now he shortened his mark for ten ...
... ten ; and when he had advanced as far as ten strokes , that he drew a cross line through them to denote that he had come to the end of his handful : his marks would be I , II , III , ... IHHHHHIL If now he shortened his mark for ten ...
Σελίδα 8
... ten a fresh apostrophus is added , as 100 = 5000 , 10 = 50000 , & c .; and when a number is to be doubled , C is repeated as many times before the horizontal line as stands behind it thus if I , or five hundred , is to be doubled , CIO ...
... ten a fresh apostrophus is added , as 100 = 5000 , 10 = 50000 , & c .; and when a number is to be doubled , C is repeated as many times before the horizontal line as stands behind it thus if I , or five hundred , is to be doubled , CIO ...
Άλλες εκδόσεις - Προβολή όλων
Artithmetic Theoretical and Practical William Harding Girdlestone Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acres amount annum Avoirdupois bushel cent ciphers coin coin of account coinage Compound Interest concrete quantity contains cost cubic decimal fraction decimal point difference digits discount divide dividend division divisor dwts equal equivalent exact number explain express Extract the square farthings feet figure find the G. C. M. find the number Find the value florins foot francs gain gallons given numbers gold guinea hundred hundredths inches income invests least common multiple length merator metres miles mils minuend months hence multiplicand multiply numerator and denominator obtain ounces pence places of decimals pound present worth proper fraction proportion quarter quotient ratio Reduce remainder result selling shifting the decimal shillings Simple Interest square root subtract tenths thousand thousandths units vulgar fraction weight wheat whole numbers write دو وو
Δημοφιλή αποσπάσματα
Σελίδα 53 - Measure) 4 gills = 1 pint 2 pints = 1 quart 2 quarts = 1 pottle 2 pottles = 1 gallon 4 quarts = 1 gallon 2 gallons = 1 peck 4 pecks = 1 bushel 8 bushels = 1 quarter...
Σελίδα 426 - What is the side of a square whose area is equal to that of a circle 452 feet in diameter ? Ans. ^(452)
Σελίδα 189 - At a siege it was found that a certain length of trench could be dug by the soldiers and navvies in 4 days, but that when only half the navvies were present, it required 7 days to dig the same length of trench. What proportion of the work was done by the soldiers ? LXII.
Σελίδα 84 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 54 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 176 - If 15 men, 12 women, and 9 boys, can complete a piece of work in 50 days, what time would 9 men, 15 women, and 18 boys, take to do twice as much, the parts done by each in the same time being as the numbers 3, 2, and 1 ? A.
Σελίδα 76 - Multiplying the numerator and denominator of a fraction by the same number does not alter the value of the fraction.
Σελίδα 243 - A person invests £5,460 in the 3 per cents at 91, he sells out £2,000 stock when they have risen to 93^, and the remainder when they have fallen to 85; he then invests the produce in 4^ per cents, at 102.
Σελίδα 82 - A fraction may be expressed by two numbers, one written under the other, with a horizontal line between them; as, |, f, f.
Σελίδα 175 - A piece of work can be done in 50 days by 35 men working all together; and if after working together for 12 days 16 of the men were to leave the work, find the number of days in which the remaining men could finish it.