Advanced ArithmeticAmerican book Company, 1905 - 253 σελίδες |
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Αποτελέσματα 1 - 5 από τα 28.
Σελίδα 13
... student can announce the sum at sight . These com- binations should be arranged for 1 1 similar to the following : 3 8 8 191 ∞ ∞ 1 9 81 511 231 2 21 137 1∞1 1 121 64 7 4 691 131 351 431 681 291 251 481 591 practice in irregular order ...
... student can announce the sum at sight . These com- binations should be arranged for 1 1 similar to the following : 3 8 8 191 ∞ ∞ 1 9 81 511 231 2 21 137 1∞1 1 121 64 7 4 691 131 351 431 681 291 251 481 591 practice in irregular order ...
Σελίδα 14
... student readily recognizes them in his work . He should also familiarize himself with other groups . The nine - groups and the eleven - groups are easy to add , since adding nine to any number diminishes the units ' figure by one , and ...
... student readily recognizes them in his work . He should also familiarize himself with other groups . The nine - groups and the eleven - groups are easy to add , since adding nine to any number diminishes the units ' figure by one , and ...
Σελίδα 16
... student should be drilled till he can add accu- rately and rapidly . Accuracy , however , should never be sacrificed to attain rapidity . Expert accountants , by systems of grouping and much practice , acquire facility in adding two or ...
... student should be drilled till he can add accu- rately and rapidly . Accuracy , however , should never be sacrificed to attain rapidity . Expert accountants , by systems of grouping and much practice , acquire facility in adding two or ...
Σελίδα 17
... student should at once think of 4 , the number which added to 5 produces 9 . 23. Again , if the second number is the smaller , as in 7 from 5 , the student should think of 8 , the number which added to 7 produces 15 , the next number ...
... student should at once think of 4 , the number which added to 5 produces 9 . 23. Again , if the second number is the smaller , as in 7 from 5 , the student should think of 8 , the number which added to 7 produces 15 , the next number ...
Σελίδα 19
... student will notice that in some cases the subtrahend is placed over the minuend . It is often convenient in business to perform work in this way . 4 . 5 6 . 7 . 8 . 9 . 9 36 75 246 8937 5280 5 42 31 167 9325 3455 10 . 11 . 7621 2339 ...
... student will notice that in some cases the subtrahend is placed over the minuend . It is often convenient in business to perform work in this way . 4 . 5 6 . 7 . 8 . 9 . 9 36 75 246 8937 5280 5 42 31 167 9325 3455 10 . 11 . 7621 2339 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.