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istemihan

Find the next number

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8 answers to this question

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I guess the answer is 45673.

The key to last digit is: 12-3*4 = 0, 23-4*5=3, 34-5*6 = 4, our number's last digit is: 45-6*7=3.

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The reason why it is 45673 is that the numbers are 12340, 23453, 34564, ?, 56780

and so on.

every other last number is 3. The first numbers go in order by 4 numbers at a time.

1234

2345

3456

4567

and so on

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I guess any number of rules (which may be mathematically equivalent) give that answer.

Would like to hear from istemihan on his.

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Nothing fits, but guessing this:

12340
23453 (40+13)
34564 (53+11)
45673 (64+ 9)
56780 (73+ 7)
67883 should be 67885 ? (80+ 5)
78986 should be 78988 ? (85+ 3)

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