DOI:
https://doi.org/10.37547/tajas/Volume03Issue11-09Keywords:
Unit Place Zero Number Divisible By11 Divisible By9Abstract
In this article, the numbers in which the first digit is zero were studied, and what results from the number when adding or subtracting a group of other its numbers to it, so by adding the digits of the number to the number whose first digit is zero, the result is a new number that is divisible by the number 11, and the result From dividing the number by the number 11 is the number that was added to the number, as well as from subtracting the digits of the number from the number whose first digit zero, the resulting number is divisible by the number 9, and the resulting number from the division is the same as the number that was subtracted, and what has been reached has been proven Mathematically.
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