Three-digit number
Find all three-digit numbers n with three different non-zero digits divisible by the sum of all three two-digit numbers we get when we delete one digit in the original number.
Correct answer:

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Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
- combinatorics
- variations
- permutations
- algebra
- divisibility
- arithmetic
- division
- basic functions
- percentages
- reason
- numbers
- natural numbers
Themes, topics:
Grade of the word problem:
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