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Sum of Digits
Questions (3)
the sum of the three digits in the billions period is 4
1 answer
asked by
reyviene
230 views
91 5-digit number are written on the board, how do u PROVE that there are 3 numbers on the board that the sum of the digits are
3 answers
asked by
James101
418 views
Let S(n) denote the sum of digits of the integer n. Over all positive integers, the minimum and maximum values of S(n)/S(5n) are
2 answers
asked by
John
525 views
Parent Categories (1)
Number Theory
