Question 14
Given $6\bullet5=6+5-4+3-2=8$ and $7\bullet3=7+6-5=8$, find $10\bullet6$.
For this self-study item, a bullet b means: write b consecutive descending terms starting at a, put plus between the first two terms, and then alternate minus and plus. This is the intended continuation suggested by the examples, not a uniquely determined definition from two examples alone.
For this self-study item, a bullet b means: write b consecutive descending terms starting at a, put plus between the first two terms, and then alternate minus and plus. This is the intended continuation suggested by the examples, not a uniquely determined definition from two examples alone.