The Werner Arithmetic: Oral and Written. Book III--parts I and IIAmerican book Company, 1903 - 382 σελίδες |
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Σελίδα 61
... exact divisor * of a number is a number that is contained in the number an integral number of times . 5 is an exact divisor of 15 . 5 is not an exact divisor of 1.5 . 16 is an exact divisor of 100 . 148. Every integral number is odd or ...
... exact divisor * of a number is a number that is contained in the number an integral number of times . 5 is an exact divisor of 15 . 5 is not an exact divisor of 1.5 . 16 is an exact divisor of 100 . 148. Every integral number is odd or ...
Σελίδα 62
... exact integral divisors except itself and 1 ; as , 23 , 29 , 31 , etc. 2. Is two a prime number ? three ? nine ? 3 ... divisor of 371 . 3 is not an exact divisor of 371 . 5 is not an exact divisor of 371 . 7 is an exact divisor of 371 ...
... exact integral divisors except itself and 1 ; as , 23 , 29 , 31 , etc. 2. Is two a prime number ? three ? nine ? 3 ... divisor of 371 . 3 is not an exact divisor of 371 . 5 is not an exact divisor of 371 . 7 is an exact divisor of 371 ...
Σελίδα 63
... exact divisor of 397 . No composite number between 2 and 19 can be an exact divisor of 397 ; for since one 2 is not an exact divisor of the number , several 2's , as 4 , 6 , 8 , 12 , etc. , cannot be ; since one 3 is not an exact ...
... exact divisor of 397 . No composite number between 2 and 19 can be an exact divisor of 397 ; for since one 2 is not an exact divisor of the number , several 2's , as 4 , 6 , 8 , 12 , etc. , cannot be ; since one 3 is not an exact ...
Σελίδα 64
... exact divisor of 105 , it is a prime factor of 105. Since the prime number 3 is an exact divisor of the quotient ( 21 ) , it is a prime factor of 21 and 105 . Since 3 is contained in 21 exactly 7 times , and since 7 is a prime number ...
... exact divisor of 105 , it is a prime factor of 105. Since the prime number 3 is an exact divisor of the quotient ( 21 ) , it is a prime factor of 21 and 105 . Since 3 is contained in 21 exactly 7 times , and since 7 is a prime number ...
Σελίδα 75
... EXACT DIvisors . 1. Any integral number is exactly divisible by each of its prime factors and by the product of any ... divisor of the numbers . Thus , the numbers 30 , ( 2 × 3 × 5 ) , and 40 , ( 2 × 2 × 2 × 5 ) , have the factors 2 and 5 in ...
... EXACT DIvisors . 1. Any integral number is exactly divisible by each of its prime factors and by the product of any ... divisor of the numbers . Thus , the numbers 30 , ( 2 × 3 × 5 ) , and 40 , ( 2 × 2 × 2 × 5 ) , have the factors 2 and 5 in ...
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acres Algebra altitude annum bonds bought bushel cent circle circumference common fractions contained cord corn cube root cubic centimeters cubic foot decimal order decimeter Denominate Numbers described in problem diameter discount Divide dividend dollars equal exact divisor exactly divisible EXAMPLE Express the ratio feet long figure Find the amount Find the approximate Find the area Find the cost Find the interest Find the sum gain gallons hundred hundredths inches wide integral number kilograms least common multiple magnitude measured meters miles minuend MISCELLANEOUS REVIEW multiply a number NOTE Observe perimeter piece of land pound primary units prime factors promise to pay pupil pupils image quindecillion rectangular Reduce rhomboid rhombus right angles side sold solid content specific gravity square rods square root subtract surface tenths third thousandths tons triangle value received weight
Δημοφιλή αποσπάσματα
Σελίδα 108 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 262 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 239 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 99 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 225 - Measures of Length 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) Measures of Surface 100 sq.
Σελίδα 247 - 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 258 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 217 - Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed to be one ten-millionth of the distance from the equator to the pole. A pendulum that vibrates seconds is nearly one meter long.* In the names of the derived units of this system the prefix deka means 10; hekto means 100; kilo means 1000; myria means...
Σελίδα 17 - Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, b, c.
Σελίδα 259 - Weight. 349. The standard unit of weight in common use is a pound Avoirdupois. AVOIRDUPOIS WEIGHT. 16 ounces (oz.) = 1 pound (lb.). 2000 pounds = 1 ton (T.). The abbreviation for 1 hundredweight (100 lb.) is cwt.