The Speedy Calculator: Being a System of Arithmeticauthor, 1850 - 324 σελίδες |
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Σελίδα 4
... solutions so much as to dis- pense with full five sixths of the figures that are ordinarily employed . This is not only a saving of time and labour , but what is of vast importance in arithmetical solutions , it greatly diminishes the ...
... solutions so much as to dis- pense with full five sixths of the figures that are ordinarily employed . This is not only a saving of time and labour , but what is of vast importance in arithmetical solutions , it greatly diminishes the ...
Σελίδα 50
... solution of many others , which would otherwise appear quite difficult , will become obvious to any one who has been taught to reason , even in a slight degree . 11. A school teacher being asked how many scholars he had , said , if you ...
... solution of many others , which would otherwise appear quite difficult , will become obvious to any one who has been taught to reason , even in a slight degree . 11. A school teacher being asked how many scholars he had , said , if you ...
Σελίδα 63
... Solution . 201 $ 4 # $ 21. Divide 22. Divide of of 5 of 18 by 1 of 7 of 2 34 of 43 . Ans . 49 . 83 23. Divide of of of of 31 by of of 23 . Ans . 117 . 28 12 11 of 8 of 221 24. Divide of 4 of 7 of by of of 3 of 71 . Ans . 24 25 ° 23 25 ...
... Solution . 201 $ 4 # $ 21. Divide 22. Divide of of 5 of 18 by 1 of 7 of 2 34 of 43 . Ans . 49 . 83 23. Divide of of of of 31 by of of 23 . Ans . 117 . 28 12 11 of 8 of 221 24. Divide of 4 of 7 of by of of 3 of 71 . Ans . 24 25 ° 23 25 ...
Σελίδα 64
... SOLUTION OF ALL QUESTIONS WHERE THREE NUMBERS ARE GIVEN , AND A FOURTH IS REQUIRED . 1st . Select from the different numbers given in the ques- tion the one which corresponds in name with the required answer , and place it on the right ...
... SOLUTION OF ALL QUESTIONS WHERE THREE NUMBERS ARE GIVEN , AND A FOURTH IS REQUIRED . 1st . Select from the different numbers given in the ques- tion the one which corresponds in name with the required answer , and place it on the right ...
Σελίδα 82
Benjamin Naylor. NOTE . The learner should be required to give mental solutions to as great a number of such questions as the following , as possible , and in all cases to give the reason for the operation . EXAMPLES IN TROY WEIGHT . 5 ...
Benjamin Naylor. NOTE . The learner should be required to give mental solutions to as great a number of such questions as the following , as possible , and in all cases to give the reason for the operation . EXAMPLES IN TROY WEIGHT . 5 ...
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12 cents 14 pounds 60 cents acres amount apples AVOIRDUPOIS barrels of flour bushels of wheat cents a bushel cents a gallon cents a pound cents a yard ciphers cloth cost column common difference contain cows cube root decimal denominator Divide dividend divisor drams DRY MEASURE ells equal feet 6 inches feet long furlongs gain gallons given number hence hogsheads hundred improper fraction inches wide interest learner least common denominator least common multiple left-hand less mean proportional measure merchant bought miles mixed number muslin nails number of terms ounces paid pecks pence pennyweights piece pint pound sterling quarters quarts question quotient ratio remainder right-hand figures rods roods sell sheep shillings sold square root Subtract sugar tens figure tons TROY WEIGHT units figure weight whole number yards cost yards of cloth