4

Part of 2017 Ecuador Juniors

Problems(1)

1-8 at vertices of regular octagon - 2017 Ecuador Juniors (OMEC) L2 p4

Source:

Indicate whether it is possible to write the integers

1, 2, 3, 4, 5, 6, 7, 8

at the vertices of an regular octagon such that the sum of the numbers of any

3

consecutive vertices is greater than: a)

11

13

combinatoricsalgebra