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" ... any number divided by 9 will leave the same remainder as the sum of its digits divided by 9. "
Complete Graded Arithmetic: Oral and Written, Upon the Inductive Method of ... - Σελίδα 328
των James Bates Thomson - 1882 - 400 σελίδες
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A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - 1831 - 408 σελίδες
...property of the number 9, which, except the number 3, belongs to no other digit whatever; viz. that " any number divided by 9, will leave the same remainder as the svm of "its' figures divided by 9."— The rule may be dciriv •» D This method of proof is illustrated...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1832 - 540 σελίδες
...property of the number 9, B 3 I which, except 3, belongs to no other digit whatever; viz. 5 2 > that any number divided by 9, will leave the same remainder, as the sum of its figures, or dibits, divided by 9: which °_ 51 ^ j; J may be thus demonstrated. Demonstration. Let...

The parent's guide to a liberal ... education; containing a selection of ...

Robert Simson (master of Colebrooke house acad, Islington.) - 1838 - 206 σελίδες
...Divide 20 into two parts which shall be to each other as 2 to 3. Example of a theorem : Prove that any number divided by 9 will leave the same remainder as the sum of its digits or figures divided by 9. 10. The investigation or solution of a problem may either be conducted by...

A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1841 - 324 σελίδες
...proof depends upon a property of the number 9, which belongs to no other digit but 3; — namely, that any number divided by 9 will leave the same remainder as the sum of its figures, or digits, divided by 9. EXERCISES. 237456 478145 632891 4(57892 956736 357607 736345 202379...

Higher Arithmetic: Designed for the Use of High Schools, Academies, and Colleges

George Roberts Perkins - 1841 - 274 σελίδες
...follows, that any number being diminished by the sum of its digits, will become divisible by 9. Also any number divided by 9 will leave the same remainder as the sum of the digits when divided by 9. NOTE.—These singular properties of the digit 9, have been made use...

Arithmetical Spyglass and Teacher's Assistant: Intended as a Key and ...

Charles Waterhouse - 1842 - 180 σελίδες
...figure 9 has a peculiar property, which, except 3, belongs to no other figure whatever, viz : that any number divided by 9 will leave the same remainder as the sum of its figures divided by 9. NOTE 1. — Compound Addition differs from Simple Addition only in the succession...

The Tutor's Assistant, Or Comic Figures of Arithmetic

Alfred Crowquill - 1843 - 156 σελίδες
...property of the number 9, which, except the number 3, belongs to no other digit whatever ; namely, that " any number divided by 9, will leave the same remainder as the sum of its figures or digits divided by 9." Multiply 3542 by ' 6196 or Multiply 6196 by " 3542 21252 31878 3542...

Elementary and practical Arithmetic on the inductive system, by analysis and ...

Charles WATERHOUSE - 1844 - 228 σελίδες
...figure 9 has a peculiar property, which, except 3, belongs to no other figure whatever, viz. : that any number ^divided by 9, will leave the same remainder as the sum of its figures divided by 9. Also, any whole number of tens, hundreds, thousands, &c., contains as many nines...

A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - 1845 - 310 σελίδες
...7. This rule is founded on the following property of numbers, namely : Any number divided by 9 ivill leave the same remainder as the sum of its digits divided by 9. Thus, 23 divided by 9 leaves a remainder of 1. and 2 added to 8 gives 10, which, divided by 9, also...

Practical Arithmetic, Uniting the Inductive with the Synthetic Mode of ...

James Bates Thomson - 1846 - 354 σελίδες
...consequently we divide by a prime number. (Art. 102.) 15. Any number expressed by the decimal notation, divided by 9, will leave the same remainder as the sum of its figures or digits divided by 9. The same property belongs to the number 3, and to no other number....




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