   # A four-digit number is "lucky" if its digits add up to 6 and no digit is 0. Find all ten "lucky" numbers?

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A four-digit number is "lucky" if its digits add up to 6 and no digit is 0. Find all ten "lucky" numbers? posted Feb 6, 2018
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## 2 Answers

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1113, 1131, 1311, 3111, 1122,1212, 1221, 2112, 2121, 2211 answer Feb 6, 2018
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1113 ، 3111
1122 ، 2211
1131 ، 1311
1212 ، 2121
1221
2112 answer Feb 6, 2018

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