Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
Βιβλία Βιβλία
" A number is divisible by 9 if the sum of its digits is divisible by 9. "
Hamilton's Arithmetics - Σελίδα 45
των Samuel Hamilton - 1913
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Junior High School Mathematics, Τόμος 3,Μέρος 1

Edson Homer Taylor - 1922 - 180 σελίδες
...represented by the last three digits is divisible by 8. A number is divisible by 3 if the sum of its digits is divisible by 3. A number is divisible by 9 if the sum of its digits is divisible by 9. Exercise 7 1. The number of births in a town per month is b and the number of deaths is d. Write a...

Practical Business Arithmetic

Helen J. Kiggen - 1922 - 424 σελίδες
...is divisible by 3. By 8, if the number represented by the three right hand digits is divisible by 8. By 9, if the sum of its digits is divisible by 9. By 10, if its right hand figure is zero. By 12, if it is divisible by 3 and 4. 43. Factoring. Name...

A Course in Arithmetic for Teachers and Teacher-training Classes

James Robert Overman - 1923 - 396 σελίδες
...verify the truth of this test in a way similar to that used in verifying the test for 4. Test for 9. Any number is divisible by 9 if the sum of its digits is divisible by 9. Thus 5787 is divisible by 9 because the sum of its digits, 27, is divisible by 9. But 3498 is not divisible...

The Educator-journal, Τόμος 3

1902 - 830 σελίδες
...3675.375. Hence the wood is worth J3675.375. • Philip Kabel, Winchester. George H. Telle, Salem. 146. A number is divisible by 9, if the sum of its digits is divisible by 9. Why ? First, let us examine the nature of the decimal system. 10= 94-1. 30 = (3X 9) + 3. 100= 99 +...

The New Century Book of Facts

1928 - 1958 σελίδες
...is divisible by 5. 3. A number is divisible by 3 if the sum of its digits is divisible by three. 4. A number is divisible by 9 if the sum of its digits is divisible by 9. Other tests are often given but like number 4, they are combinations of the first three. To find the...

Bobbs-Merrill Arithmetics, Τόμος 3

Raymond Asa Kent, Martha C. Olsen, James R. Skiles - 1927 - 462 σελίδες
...divisible by 2. As 16 or 126. 3. By 3 if the sum of its digits is divisible by 3. As 171 or 354. 4. By 9 if the sum of its digits is divisible by 9. As 711 or 6381. 6. By 6 if it is divisible by both 2 and 3. 6. By 12 if it is divisible by both 3 and...

Arithmetic: A Straightforward Approach

Martin M. Zuckerman - 1998 - 406 σελίδες
...21 X 9 and 1+8 + 9=18 Thus, 189 is divisible by 9, and 18, the sum of its digits, is divisible by 9. A number is divisible by 9 if the sum of its digits is divisible by 9. Otherwise, the number is not divisible by 9. Example 6 ^ Which of the following numbers are divisible...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο

New National Curriculum Mathematics: With exam questions, Τόμος 7

K. M. Vickers, H. L. Van Hiele, M. J. Tipler - 1997 - 518 σελίδες
...divisible by both 2 and 3 divisible by 8 if the number formed from the last three digits is divisible by 8 divisible by 9 if the sum of its digits is divisible by 9 divisible by 10 if the last digit is 0. SPECIAL NUMBERS A prime number is divisible by just two numbers,...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο

Excel Year 6 Advanced Mathematics

A. S. Kalra - 1995 - 302 σελίδες
...divisible by 8 For example 486 328 is divisible by 8 as 328 is divisible by 8 Divisibility Test for 9 A number is divisible by 9 if the sum of its digits is divisible by 9 For example In order to find if 5634 is divisible by 9, add the digits 5 + 6 + 3 + 4 = 18 and 18 is...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο

New National Curriculum Mathematics 5

M.J. Tipler, K.M. Vickers - 1996 - 368 σελίδες
...from the last three digits is divisible by 8. For instance, 259104 is divisible by 8 since 104 is. A number is divisible by 9 if the sum of its digits is divisible by 9. SPECIAL NUMBERS A prime number is divisible by just two numbers, itself and 1. The first few prime...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο




  1. Η βιβλιοθήκη μου
  2. Βοήθεια
  3. Σύνθετη Αναζήτηση Βιβλίων
  4. Λήψη ePub
  5. Λήψη PDF