The First book of Arithmetic
The First book of Arithmetic
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In our eReader you can find the full English version of the book. Read The First book of Arithmetic Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The First book of Arithmetic
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To quickly assess the difficulty of the text, read a short excerpt:
To 39 and 54 ? 1|. To 7, 49, and 84 ?
D. A COMMON DIVISOR of two or more numbers is any number which will exactly divide each of them.
ILLUSTRATION. 4 is a common divisor of 4, 8, 12, and 32.
The GREATEST COMMON DIVISOR of two or more numbers is the largest number which is a divisor of each of them. It is also the product of all their common prime factors.
1. What is the greatest common divisor of 24, 36, and 60 ?
SOLUTION. The greatest common divisor of 24, 36, and 60, is the product of all th...e pfiine factors common to these numbers.
24 = 2x2x2x3 = 2 3 x 3. 36 = 2 x 2 x 3 X 3 = 2* x 3*. 60 = 2x2x3x5 = 2 2 x3x 5.
We see that the only common prime factors are 2, 2, and 3. Hence 2 X 2 X 3, or 12, must be the greatest common divisor required.
108 COLBURN'S FIRST PART.
What is the greatest common divisor 2. Of 30 and 42? 9. Of 4, 6, and 12?
3. Of 4 and 12? 10. Of 3, 9, and 15?
4. Of 8 and 20 ? 11. Of 18, 27, and 45 ? 6. Of 35 and 49 ? 12. Of 14, 28, and 56 ?
6. Of 63 and 72 ? 13. Of 30, 48, and 54 ?
What to read after The First book of Arithmetic?
You can find similar books in the "Read Also" column, or choose other free books by Dana P Dana Pond Colburn to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
To 39 and 54 ? 1|. To 7, 49, and 84 ?
D. A COMMON DIVISOR of two or more numbers is any number which will exactly divide each of them.
ILLUSTRATION. 4 is a common divisor of 4, 8, 12, and 32.
The GREATEST COMMON DIVISOR of two or more numbers is the largest number which is a divisor of each of them. It is also the product of all their common prime factors.
1. What is the greatest common divisor of 24, 36, and 60 ?
SOLUTION. The greatest common divisor of 24, 36, and 60, is the product of all th...e pfiine factors common to these numbers.
24 = 2x2x2x3 = 2 3 x 3. 36 = 2 x 2 x 3 X 3 = 2* x 3*. 60 = 2x2x3x5 = 2 2 x3x 5.
We see that the only common prime factors are 2, 2, and 3. Hence 2 X 2 X 3, or 12, must be the greatest common divisor required.
108 COLBURN'S FIRST PART.
What is the greatest common divisor 2. Of 30 and 42? 9. Of 4, 6, and 12?
3. Of 4 and 12? 10. Of 3, 9, and 15?
4. Of 8 and 20 ? 11. Of 18, 27, and 45 ? 6. Of 35 and 49 ? 12. Of 14, 28, and 56 ?
6. Of 63 and 72 ? 13. Of 30, 48, and 54 ?
What to read after The First book of Arithmetic?
You can find similar books in the "Read Also" column, or choose other free books by Dana P Dana Pond Colburn to read onlineMoreLess
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