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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.

See The Solution Submitted by Ady TZIDON    
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Comments: ( Back to comment list | You must be logged in to post comments.)
re: counting | Comment 4 of 7 |
(In reply to counting by Steven Lord)

i2 should be multiplied by 1000 rather than by 100
  Posted by Charlie on 2018-08-23 10:39:44

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