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 Βιβλία Βιβλία 1 - 10 από 34 για Four points set in the middle of four numbers, denote them to be proportional to....
Four points set in the middle of four numbers, denote them to be proportional to one another, by the rule of three ; as 2 : 4 : : 8 : 16 ; that is, as 2 to 4, so is 8 to 16.
Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms ... - Σελίδα 6
1818 - 251 σελίδες
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## The accomptant's oracle; or, key to science, a treatise of common arithmetic

Wardhaugh Thompson - 1771
...Divifion ; as I5--3-5- That is, 15 divided by j is equal to j. . « : Four points, fet in the middle of 4 numbers, denote them to be proportional to one another,...Three, As 2 : 4 : : 8 : 16 That is, As 2 is to 4, fo is 8 to 1 6. NB In fome lines of the DecimalTables, the Periods which fliould divide the Integers,...

## A Complete System of Land-surveying: Both in Thory and Practice ... To which ...

Thomas Breaks - 1771 - 593 σελίδες
...6 is equal to 4. О Square ; as О ia, the Square of 12 is to be taken. . : :, ::, : Proportional ; as 2 : 4 :: 8 : 16; that is, as 2 is, to 4, ib. is 8 to 16. ^An Angle lefs than 180°; "7 AnAngle greater than 1 8o0. 0 A Station. Û A Triangle;...

## The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ...

Daniel Adams - 1807 - 216 σελίδες
...division ; as 3)6(2, that is, 6 divi•Or" £ded by 3 is equal to 2, or 6-4-3=2. THE sign' of proportion ; as, 2 : 4 ; : 8 : 16, that is* As 2 is to 4 so is 8 to 16. THE r. SCHOLARS ARITHMETIC > (A INTRODUCTION. RITHMETIC is the art or science which treats of numbers....

## Key to Francis Walkingame's Tutor's Assistant: Containing the Solutions of ...

Thomas Crosby - 1807 - 227 σελίδες
...upper number being the dividend, and the lower the divisor. • it, ',; So is. The Sign of Proportion ; as, 2 ; 4 ; ; 8; 16 that is, as 2 is to 4 -n is 8 to 1 6. 7 _ 2-1-5= 10 Shows that the diûerence between 2 1 and 7, added to 5, is equal to...

## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1808 - 480 σελίδες
...lower number, the di875' visor ; thus, is the same as 875-f-25 = 35. 25 The sign of proportion, thus, 2 : 4 :: 8 : 16, that is, as 2 is to 4 so is 8 to 16. Signifies Geometrical Progression. Shews that the difference between 2 and 9 added to 6 is equal to...

## Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and ...

Nathan Daboll - 1813 - 240 σελίδες
...signifies that 8 di vided by 2, is equal to 4; or thus, f=4, each of whicli signify the same thing. : : Four points set in the middle of four numbers, denote...rule of three ; as 2 : 4 : : 8 : 16 ; that is, as 2 to 4, so is 8 to 16. V Prefixed to any number, supposes that the square root of that number is required....

## Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1818 - 240 σελίδες
...signifies that S divided by 2, is equal to 4 ; or thus, f=4, each ot •which signify the same tiling. J : Four points set in the middle of four numbers, denote...rule of three ; as 2 : 4 : : 8 : 16 ; that is, as 2 to 4, so is 8 to 16. */ Prefixed to any number, supposes that the square root of that number is required....

## The Schoolmaster's Assistant: Being a Compendium of Arithmetic Both ...

Thomas Dilworth - 1818 - 200 σελίδες
...do likewise denote division ; the lower being the divisor, < and the upper number the dividend. :: Four points, set in the middle of four numbers, denote them to be proportioned to one another, by the rule of three j as2 : 4:: 8 : 16 ; that is, as 2 is to4,sois 8...

## The Scholar's Arithmetic; Or, Federal Accountant...: The Whole in a Form and ...

Daniel Adams - 1820 - 224 σελίδες
...division ; as 3)6(2, that is, 6 divided by 3 the quotient is 2, or 6-f 3=2. The sign of proportion ; as 2 : 4 : : 8 : 16, that is, as 2 is to 4 so is 3 to 16. SECTION I. FUNDAMENTAL RULES OF ARITHMETIC. 1 HESE are four, ADDITION, SUBTRACTION, MULTIPLICATION,...

## A New and Concise System of Arithmetick: Containing Vulgar, Decimal, and ...

Beriah Stevens - 1822 - 423 σελίδες
...signifies that 8 divided by 2, is equal to 4 ; or thus, | ==4, each of which signify the same thing. : : Four points set in the middle of four numbers, denote...rule of three ; as 2 : 4 : : 8 : 16 ; that is, as 2 to 4, so is 8 to 16. ^/ Prefixed to any number, supposes that the square root of that number is required....