Advanced ArithmeticAmerican book Company, 1905 - 253 σελίδες |
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Σελίδα 11
... EXERCISE 1 symbols are needed for the scale of 2 ? Write 12 and 20 in the scale of 2 . 2. Reduce 234 , and 546 , to the decimal scale . 3. Reduce 764910 to the scale of 4. 7.5 4. Compare the local values of the two 9's in 78,940 ...
... EXERCISE 1 symbols are needed for the scale of 2 ? Write 12 and 20 in the scale of 2 . 2. Reduce 234 , and 546 , to the decimal scale . 3. Reduce 764910 to the scale of 4. 7.5 4. Compare the local values of the two 9's in 78,940 ...
Σελίδα 12
... exercise . 329 764 221 9642 7823 18779 211 16. Checks . If the columns of figures have been added upward , check by adding downward . If the two results agree , the work is probably correct . Another good check for adding , often used ...
... exercise . 329 764 221 9642 7823 18779 211 16. Checks . If the columns of figures have been added upward , check by adding downward . If the two results agree , the work is probably correct . Another good check for adding , often used ...
Σελίδα 13
... exercise , why is 1 added ( " carried " ) to the second column ? 1 to the third column ? 2 to the fourth column ? 17. Accuracy and rapidity in computing should be re- quired from the first . Accuracy can be attained by acquir- ing the ...
... exercise , why is 1 added ( " carried " ) to the second column ? 1 to the third column ? 2 to the fourth column ? 17. Accuracy and rapidity in computing should be re- quired from the first . Accuracy can be attained by acquir- ing the ...
Σελίδα 14
... EXERCISE 3 1. Begin with 8 and add 7's till the result is 50 . 2. Begin with 3 and add 8's till the result is 67 . Form the following sums till the result exceeds 100 : 3. Begin with 3 and add 7's . 4. Begin with 7 and add 8's . 5 ...
... EXERCISE 3 1. Begin with 8 and add 7's till the result is 50 . 2. Begin with 3 and add 8's till the result is 67 . Form the following sums till the result exceeds 100 : 3. Begin with 3 and add 7's . 4. Begin with 7 and add 8's . 5 ...
Σελίδα 17
... exercise : 8534 5627 2907 7 and 7 are 14 , carry 1. ( Why carry 1 ? ) 3 and 0 are 3 . 6 and 9 are 15 , carry 1 . 6 and 2 are 8 . 25. The student should think " What number added to 5627 will produce 8534 ? " After a little practice , it ...
... exercise : 8534 5627 2907 7 and 7 are 14 , carry 1. ( Why carry 1 ? ) 3 and 0 are 3 . 6 and 9 are 15 , carry 1 . 6 and 2 are 8 . 25. The student should think " What number added to 5627 will produce 8534 ? " After a little practice , it ...
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acres altitude amount antilog arithmetical bank base bushels called carpet cent centimeters circle circumference common contained cube root cubic foot decagram decimal fraction decimal places decimeter denominator diameter difference digits discount divided dividend divisor earth equal EXERCISE factors figures Find the area Find the cost Find the number Find the volume grains greatest common divisor Greenwich Gregorian calendar Hence hour hypotenuse inch indorsement interest kilogram length logarithm longitude LYMAN'S ADV mantissa measure meridian meter metric system Multiply noon number of decimal paid parallelopiped payment pound premium prime meridian prism pyramid quotient radius ratio rectangular parallelopiped Reduce remainder right triangle sells sexagesimal side sold Solution specific gravity square root square yard subtract symbol trapezoid unit weight wide
Δημοφιλή αποσπάσματα
Σελίδα 64 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 133 - Specific Gravity. The specific gravity of a substance is the ratio of its weight to the weight of an equal volume of some other substance taken as a standard.
Σελίδα 64 - MEASURE 12 inches (in.) = 1 foot (ft). 3 feet = 1 yard (yd.). 5J yards or Щ feet = 1 rod (rd.) . 320 rods = 1 mile (mi.). SURFACE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq.
Σελίδα 183 - Find the amount of the principal to the time when the payment, or the sum of the payments, equals or exceeds the interest due.
Σελίδα 48 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 66 - Liquid Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 65 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 63 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 65 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.