in series 6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 ,how many pairs of successive numbers have a difference of 1 each?
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8 and 7
6 and 7
6 and 5
5 and 4
4 and 3
3 and 2
2 and 1
6 and 7
6 and 5
5 and 4
4 and 3
3 and 2
2 and 1
jamiela2018:
i hope this is right
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