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25-09-2016
Computers and Technology

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Aflati numerelr ab si ba care verifica egalitatea ab-ba=18

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Edufirst Edufirst

07-10-2016

Eight numbers accomplish the equality:

1) 20: 20 -02 = 18
2) 31: 31 -13 = 18
3) 42: 42 - 24 = 18
4) 53: 53 - 35 = 18
5) 64: 64 - 46 = 18
6) 75: 75 - 57 = 18
7) 86: 86 - 68 = 18
8) 97: 97 - 79 = 18

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