The number after 17 is 27.
2+7 = 9
9 - 4 = 5
5 + 8 = 13
13 - 3 = 10
10 + 9 = 19
19 - 2 = 17
17 + 10 = 27
The next number in the sequence is 27.
that best completes the sequence 2 9 5 13 10 19 17 is 27.
27
35
27
the answer is 27
27
29,28
One.
27
26
The next number is 27.