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A counting task (Posted on 2018-08-23) Difficulty: 3 of 5
a. How many 5-digit numbers exist where one of its digits equals the sum of all other digits?
b. What is the sum of all those numbers?

No leading zeroes.

  Submitted by Ady TZIDON    
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Solution: (Hide)
Answers:
a. 2658
b. 102,696,291

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): corrected!Steven Lord2018-08-24 19:28:01
Hints/Tipsre: corrected!Ady TZIDON2018-08-24 03:51:07
corrected!Steven Lord2018-08-23 15:02:22
re: countingCharlie2018-08-23 10:39:44
countingSteven Lord2018-08-23 10:16:58
the numbersCharlie2018-08-23 10:01:30
Solutioncomputer solutionCharlie2018-08-23 10:00:05
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